Solve the equation.x + 
= 12
A. x = 
B. x = 9
C. x = 
D. x = 
Answer: A
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Which curriculum makes extensive use of computer-assisted individualized instruction?
a. Connected Mathematics Project b. Cognitive Tutor c. Core-Plus Mathematics Project d. MathThematics
Specify the center and radius of the circle.5x2 + 5y2 + 30x - 10y - 75 = 0
A. center: (3, -1); radius: 25 B. center: (1, -3); radius: 5 C. center: (-3, 1); radius: 5 D. center: (-1, 3); radius: 25
Factor the expression completely. If the polynomial will not factor, write "prime."15z2 - 2z - 8
A. prime B. (15z + 2)(z - 4) C. (3z - 2)(5z + 4) D. (3z + 2)(5z - 4)
Find the end behavior of the polynomial function. f(x) = -x3 + 2x2 + 7x - 8
A. f(x) ? ? as x ? -?; f(x) ? ? as x ? ? B. f(x) ? -? as x ? -?; f(x) ? -? as x ? ? C. f(x) ? -? as x ? -?; f(x) ? ? as x ? ? D. f(x) ? ? as x ? -?; f(x) ? -? as x ? ?