A.
7) In solving quadratic equation by factoring, the equation must be set first
to
A. ax2 + bx +c=0
C. ax2 + bx = C
B. ax2 = bx + c
D. ax + c = 0
8) What are the roots of the equation (x + 2)(x + 3) = 0
A. 3 and 2
B.-3 and -2 C. -3 and 2
D. 3 and -2
9) If x2 + 5x - 6= 0 is solved by factoring, then the roots are
A. -6 and 1
B. -6 and - 1 C. 6 and -1
D. 6 and 1
10)Which of the following equations has the solutions 4 and -2?
A. 22 - 2x - 8= 0
C. x2 + 2x -8= 0
B. x2 - 4x -8= 0
D. x2 + 4x -8= 0
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