Multiply.(2x + 3)(2x - 3)
A. 2x2 - 3
B. 4x2 + 12x - 9
C. 4x2 - 12x - 9
D. 4x2 - 9
Answer: D
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Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Crackers: $3.15 for 18 ounces $1.4 for 8 ounces
A. $1.4 for 8 ounces B. $3.15 for 18 ounces C. Both cost the same per ounce.
Solve the equation by using the square root property. Express any complex numbers using i notation.(2x - 5)2 = 9
A. x = 8, 2 B. x = 4, 1 C. x = -2, -8 D. x = -1, -4
Classify the polynomial as constant, linear, quadratic, cubic, or quartic, and determine the leading term, the leading coefficient, and the degree of the polynomial.g(x) = 
x3 - 12x + 8
A. Cubic; 
x3; 
; 3
B. Quadratic; 
x2; 
; 2
C. Linear; -12x; -12; 1
D. Linear; 8; 8; 1
Write a system of equations associated with the augmented matrix. Do not try to solve.
= 
A. 2x + y = -3 x + 2y = 2 -5x - 5y = 2 B. 2x + y + z = -3 x - 5y = 2 C. 2x = -3 x + y = 2 -5x - 5y = 2