Question
1) What is the solution set to 3x^2+21x=24? A) {-8, 1} B) {-1, 8} C) {3} D) {-4, 2} 2) Which quadratic equation has -2
1) What is the solution set to 3x^2+21x=24?
A) {-8, 1} B) {-1, 8} C) {3} D) {-4, 2}
2) Which quadratic equation has -2 and 3 as its roots?
A) x^2+x 6 = 0
B) x^2+5x+6=0
C) x^2-5x+6=0
D) x^2-x-6=0
3) Which of the following equations has -5 and 3 as its roots?
A) x^2 2x 15 = 0
B) x^2 2x + 15 = 0
C) x^2+2x 15 = 0
D) x^2+2x+15=0
4) If the equation x^2 3x + c = 0 has x = 2 as one of its solutions, then c must equal
A) -1 B) -2 C) 2 D) 1
5) If the equation x^2= 3x + c has x = -2 as one of its roots, then what is the other root of the equation?
A) 1 B) 5 C) -2 D) 10
6) Solve: y^2=36
7) Find the solution set: 3x^2 15x = 0
8) What is the negative root of the equation 2x^2 5x 3 = 0?
please show work
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