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1. Solve for x. Check your answers.x - 19 = 15 x= -4 x= 34 x=4 x= -34 4 points Question 2 1. -1(x +
1. Solve for x. Check your answers.x - 19 = 15 x= -4 x= 34 x=4 x= -34 4 points Question 2 1. -1(x + 3) = -11 x=8 x= -8 x= -14 x= 14 4 points Question 3 1. Replace the ? by < or >.7 ? -2 < > 4 points Question 4 1. 18x + 15 3(5x - 3) x -8 x< -8 x -8 x> -8 4 points Question 5 1. Solve the problem.John has received scores of 85, 88, 87, and 95 on her algebra tests. What is the minimum score he must receive on the fifth test to have an overall test score average of at least 90? (Hint: The average of a list of numbers is their sum divided by the number of numbers in the list.) 9 3 9 4 9 6 9 5 4 points Question 6 1. Consider the points plotted in the graph below. Give the coordinates for point B. (4, -3) (-3, 4) (3, 4) (-5, 4) 4 points Question 7 1. Find the value of the variable that satisfies the equation.-8x + 1 + 6x = -3x + 6 x= 6 x= -6 x= -1 x= 5 4 points Question 8 1. =5 x= 9 x= 1 x= 8 x= 20 4 points Question 9 1. Find the value of the variable that satisfies the equation. +6 = 14 x= 15 x= 142 x= 140 x= 56 4 points Question 10 1. Consider the points plotted in the graph below. Give the coordinates for point A. (5, 4) (4, -5) (-5, 4) (4, 5) 4 points 1. Question 11 Replace the ? by < or >.-6 ? -5 < > 4 points 1. Question 12 25x + 15 > 5(4x - 2) x< -5 x -5 x> -5 x -5 4 points 1. Question 13 Determine if the given solution is correct. If it is not, find the solution.Is -5 the solution to x + 6 = 5 - 4? no; x = 15 no; x = 7 no; x = 3 yes 4 points 1. Question 14 Find the value of the variable that satisfies the equation.8x + 2 = 66 x= 8 x= 6 x= 60 x= 56 4 points Question 15 1. Solve for x. Be sure to reduce your answer. Check your solution.4x = -28 x= 32 x= -32 x=1 x= -7 4 points Question 16 1. Solve for x. Check your answers.x + 18 = 19 x= -1 x=1 x= -37 x= 37 4 points Question 17 1. Solve the inequality. -x + 6 < -1 x< -7 x -7 x -7 x> 7 4 points Question 18 1. Plot the point.(3, 6) 4 points Question 19 1. Graph the equation.4x + 2 = -22 4 points Question 20 1. Solve the inequality. x - 11 < -5 x< 6 x> 6 x 6 x 6 4 points Question 21 1. Solve.6(x + 5) = 6x + 30 No solution x=0 Infinite number of solutions x = 60 4 points Question 22 1. Complete the ordered pairs so that each is a solution of the linear equation. Then plot each solution and graph the equation by connecting the points by a straight line. y = 3x + 2 (0, ) (1, ) (-1, ) (0, -2)(1, 1)(-1, -5) (0, 0)(1, 2)(-1, -2) (0, 2)(1, -1)(-1, 5) (0, 2)(1, 5)(-1, -1)
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