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mathematics
precalculus 1st

Questions and Answers of Precalculus 1st

For the following exercises, solve the system of nonlinear equations. y = x2 − 7y = 5x − 13
For the following exercises, perform the given matrix operations.Rewrite the system of linear equations as an augmented matrix. 14x − 2y + 13z = 140−2x + 3y − 6z = −1x − 5y + 12z = 11
For the following exercises, find the determinant. 523 -1| 1 1 3 -6-3
For the following exercises, solve each system by Gaussian elimination. 2x + 3y - 4z=5 -3x+2y+z= 11 -x+ 5y + 3z = 4
For the following exercises, use the matrices below to perform matrix multiplication.BD
For the following exercises, find the multiplicative inverse of each matrix, if it exists. 1-37 0 5] 01 4 1 0
For the following exercises, find the decomposition of the partial fraction for the repeating linear factors.x/(x − 2)2
For the following exercises, use any method to solve the system of nonlinear equations. 2x³ - x² = y 1 2 y =
For the following exercises, solve the system by Gaussian elimination. -2 -2 0 1 [2] 0 2 -1.
For the following exercises, solve each system by substitution. 1/x+ 4 1 -x+ 8 3 = 11 y=3
For the following exercises, write a system of equations to solve each problem. Solve the system of equations.A local theatre sells out for their show. They sell all 500 tickets for a total purse of
For the following exercises, perform the given matrix operations.If det(A) = −6, what would be the determinant if you switched rows 1 and 3, multiplied the second row by 12, and took the inverse?
For the following exercises, use the matrices below to perform matrix multiplication.CA [3 3 A = B = 3 -8 12]-c=[-2 6 0 12. 10] 2 6, D=9 LO 5 9] 12] -3 3 8-10]
For the following exercises, find the determinant. 2 -3 -4 6 UWN 3 -5 1 1 1
For the following exercises, find the decomposition of the partial fraction for the repeating linear factors. −5x − 19/(x + 4)2
For the following exercises, solve each system by Gaussian elimination. = 8 4x+6y2z 6x +9y3z = 12 -2x-3y+z=-4
For the following exercises, find the determinant. 6 -1 -4 -3 19 2 UN 5 -1
For the following exercises, find the multiplicative inverse of each matrix, if it exists. 0 6] 1 -2 17 30 2
For the following exercises, perform the given matrix operations. det 7212 0 NI O 0
For the following exercises, use any method to solve the system of nonlinear equations. x2+y2=1 y=- や
For the following exercises, solve each system by substitution. 1⁄2 x + ² y = 16 1 x + ¼y=9 6 4
For the following exercises, write a system of equations to solve each problem. Solve the system of equations. Three odd numbers sum up to 61. The smaller is one-third the larger and the middle
For the following exercises, solve the system by Gaussian elimination. - 1 2-3 6 4-5
For the following exercises, use the matrices below to perform matrix multiplication.BC A = [¯ ²₁ ₂2 ]· B = [_-8 3 3 6 -8 0 ]c= 4 -2 5 10] 2 6 , D = 9 9] بل بنا من -3 3 8 12] 1 -10.
For the following exercises, solve each system by Gaussian elimination. 2x + 3y - 6z = 1 -4x-6y + 12z = -2 x + 2y + 5z = 10
For the following exercises, find the determinant. -2 -4 2 1 4 2 -8 -3 -8
For the following exercises, find the multiplicative inverse of each matrix, if it exists. [0.5 1 1.5 -0.5
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.3x − 1/x2 −5x + 6
For the following exercises, perform the given matrix operations. det 0 0 4,000 400
For the following exercises, solve the system of three equations using substitution or addition. 6x4y2z = 2 3x + 2y5z = 4 6y-7z=5
For the following exercises, solve each system by substitution. -3x+y=2 12x - 4y = -8
For the following exercises, use any method to solve the system of nonlinear equations. x² + y² = 1 y = 20x² -1
For the following exercises, solve the system by Gaussian elimination. 23 4 5 6.
For the following exercises, use the matrices below to perform matrix multiplication. AB 3 6 4-[-DJ-PE 2], B = [ 3 12].0 -8 0 12. A = -1 3 2 10] 5 C= -2 6, D=9 [2-3 9] 0 12 1 8 -10. 3 3 00
For the following exercises, solve each system by Gaussian elimination. 5x6y + 3z = 50 -x+4y= 10 2x -z = 10
For the following exercises, find the multiplicative inverse of each matrix, if it exists. 1 L1 0.
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.4x + 3/x2 + 8x + 15
For the following exercises, solve the system of three equations using substitution or addition. 2x - 3y + z = 0 2x+4y3z=0 6x - 2y - z=0
For the following exercises, perform the given matrix operations. 1 1315 1214
For the following exercises, solve each system by substitution. 3 x + 5y = 9 30x + 50y = -90
For the following exercises, use any method to solve the system of nonlinear equations. -x² + y = 2 -x+y=2
For the following exercises, solve the system by Gaussian elimination. 1 1 0|1 02.
For the following exercises, use the matrices below to perform scalar multiplication.100D A = 4 13 12 B = 3 21 0 91 12 |, C = 64 16 3 90 5 3 7 ل لا 18 29 18 D= 8 7 12 13] 14 6 4 21
For the following exercises, solve each system by Gaussian elimination. 2x - y + 3z = 17 -5x + 4y - 2z = -46 2y + 5z = -7
For the following exercises, find the determinant. 1 0 0 1 1 0 1 0 0
For the following exercises, find the multiplicative inverse of each matrix, if it exists. 1 2 2.
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.4x − 1/x2 − x − 6
For the following exercises, solve the system of three equations using substitution or addition. 3x + 4z -11 x - 2y = 5 4yz = -10
For the following exercises, perform the given matrix operations. 14 -713 3-4 -29 5 1 12 0 -4. L5 3 10]
For the following exercises, solve each system by substitution. x -0.2y = 1 -10x + 2y = 5
For the following exercises, use any method to solve the system of nonlinear equations. -2x²+y=-5 6x-y=9
For the following exercises, solve the system by Gaussian elimination. 1 013 00]
For the following exercises, use the matrices below to perform scalar multiplication.1/2 C _A=[₁₁ 13 12 3 B = | 21 B 0 97 12 64] 16 3 7 18 90 5 3 29 D= 18 12 13] 8 14 6 7 4 21
For the following exercises, solve each system by substitution. 4x+6y +9z=0 -5x+2y-6z= 3 7x - 4y + 3z = -3
For the following exercises, find the multiplicative inverse of each matrix, if it exists. -4 -3 -5 8
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.2x − 3/x2 − 6x + 5
For the following exercises, find the determinant. -1 4 02 0 0 0 3 -3
For the following exercises, perform the given matrix operations. 5[_ 49 3] + [ -2 -6 4 12 -8]
For the following exercises, solve the system of three equations using substitution or addition. 3x +2y-z = -10 x-y + 2z=7 -x+3y+z=-2
For the following exercises, solve each system by substitution. -2x + 3y = 1.2 -3x - 6y= 1.8
For the following exercises, solve the system of nonlinear equations using elimination. x² + y² + 1 16 2500 y = 2x²
For the following exercises, write the linear system from the augmented matrix. 4 5 1 0 8 2 58 7-3-5] 127 2
For the following exercises, use the matrices below to perform scalar multiplication.−4C 4 6 A = [₁3 12]. B 13 12 B= 3 21 0 91 12, C 64] 16 3 7 L90 18 18 268]. D = [ 15 8 7 5 3 29. 12 14 36 13] 4
For the following exercises, solve each system by substitution. 5x - 2y + 3z = 4 -4x+6y-7z = -1 3x+2y=z=4
For the following exercises, find the determinant. -1 0 0 0 1 0 00 0 -3
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.6x/x2 − 4
For the following exercises, find the multiplicative inverse of each matrix, if it exists. -3 71 [B] 기 9 2
For the following exercises, solve the system of three equations using substitution or addition. 2x - 3y + z = -1 x+y+z=-4 4x + 2y3z 33
For the following exercises, solve each system by substitution. 2x+4y= -3.8 9x5y = 1.3
For the following exercises, write the partial fraction decomposition.x4 − x3 + 2x − 1/x(x2 + 1)2
For the following exercises, solve the system of nonlinear equations using elimination. =9 2 – x2 = 9 3x² + 2y² = 8
For the following exercises, write the linear system from the augmented matrix. 8 -1 0 29 1 437 7 5 38 0 3 10.
For the following exercises, use the matrices below to perform scalar multiplication.−2B A = 4-5 - 13 12 3 B = | 21 97 12 , C = 0 64 16 3 90 5 3 7 18 18 12 14 13] 6 4 21 7
For the following exercises, solve each system by substitution. 4x - 3y + 5z = 31 -x+ 2y + 4z = 20 x + 5y2z= -29
For the following exercises, find the determinant. -1.1 0.6 7.2 -0.51
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.10x/x2 − 25
For the following exercises, find the multiplicative inverse of each matrix, if it exists. -2 27 3 1.
For the following exercises, find the multiplicative inverse of each matrix, if it exists. 3 -2
For the following exercises, solve the system of three equations using substitution or addition. x+y+z=1 2x + 2y + 2z = 1 3x + 3y = 2
For the following exercises, solve each system by substitution. 4x + 2y = -10 3x +9y=0
For the following exercises, write the partial fraction decomposition.13x + 2/(3x + 1)2
For the following exercises, solve the system of nonlinear equations using elimination. 2x + 4y = 4 2x-4y= 25x - 10
For the following exercises, write the linear system from the augmented matrix. 3 بنا -1 8 20 4 5 7 -9 3] -1 8.
For the following exercises, use the matrices below to perform scalar multiplication.3B 3 9] 4 A = [ ₁3 12]- B B =[2₁1 13 12, C= 64 16 3 L90 35 73 18 29 D= 18 12 8 14 7 13] 6 4 21
For the following exercises, solve each system by substitution. 5x + 2y + 4z = 9 -3x+2y+z= 10 4x - 3y + 5z = -3
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors.5x/x2 − 9
For the following exercises, find the determinant. -2 -3 3.1 4,000
In the following exercises, show that matrix A is the inverse of matrix B. [3 8 A = 1 1 L5 6 21 1, B= 12] 1 36 -6 7 -1 84 -6] 1 5] -26 -22
For the following exercises, solve the system of three equations using substitution or addition. 5x+3y-z = 5 3x - 2y + 4z = 13 4x + 3y + 5z = 22
For the following exercises, write the partial fraction decomposition. −8x − 30/x2 + 10x + 2
For the following exercises, solve each system by substitution. 3x - 2y = 18 5x+10y = -10
For the following exercises, solve the system of nonlinear equations using elimination. x² + y² = 25 x² - y² = 1
For the following exercises, write the linear system from the augmented matrix. 3 4 10] 10 17 439_ [13
For the following exercises, use the matrices below to perform scalar multiplication. 5A 3 B = 21 0 4 A -=[ ₁3 1₁2]- B= 13 9 12, C = 64] 16 90 3 18 5 3 29 73 D= 18 12 13] 8 14 6 7 4 21
For the following exercises, find the decomposition of the partial fraction for the nonrepeating linear factors. x+1 x+7x+10
For the following exercises, solve each system by substitution. 5x - 2y + 3z=20 2x - 4y3z-9 x+6y8z-21
For the following exercises, find the determinant. 6-3 8 4
In the following exercises, show that matrix A is the inverse of matrix B. [12 A 4 4 1 0 0 6 31 2 , B= 9 6 17 - 12 0-2 -3 -5 2 4
For the following exercises, solve the system of three equations using substitution or addition. 0.5x -0.5y = 10 -0.2y+0.2x=4 0.1x+0.1z=2
For the following exercises, solve each system by substitution. x + 3y = 5 2x + 3y = 4

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