Factor completely, or state that the polynomial is prime.64b2x - 9y - 9x+ 64b2y
A. (8bx + 3y)(8bx - 3y)
B. (8bx - 3y)2
C. (8b + 3)(8b - 3)(x + y)
D. prime
Answer: C
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Collect like terms.
x + 
y - 
x - 
y + 19
A. 
x + 
y + 19
B. 
x + 
y + 19
C. 
x + 
y + 19
D. 
x + 
y + 19
Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A = 
; B = 
.
A. AB is 1 × 1; BA is not defined. B. AB is 1 × 1; BA is 2 × 2. C. AB is 2 × 2; BA is 1 × 1. D. AB is not defined; BA is 2 × 2.
Solve the problem.The value of certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons.The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 ( 10 is excellent condition ) . src="https://sciemce.com/media/4/ppg__dsd0520191959__f1q140g3.jpg" style="vertical-align: -23.0px;" /> is 
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c. Then, using the fact that the inverse of the matrix 
, find b.
A. b = -1600
B. b = - 1400
C. b = 2200
D. b = 2600
Complete the square. Then write the perfect-square trinomial in factored form.x2 - 4x
A. x2 - 4x; (x - 2)2 B. x2 - 4x + 4; (x - 2)2 C. x2 - 4x + 4; (x + 2)2 D. x2 - 4x - 4; (x - 4)2