Multiply.
A. 25x2 + 
x - 
B. 25x2 - 
x - 
C. 25x2 - 
D. 25x2 - 
Answer: D
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Solve the following quadratic equation using the Square Root Property. Make sure you simplify the final answer completely. Find the exact answer and a decimal approximation to the nearest tenth when possible.3x2 = 4
A. x = 
or x = - 
; x ? 1.2 or x ? -1.2
B. x = 
; x ? 1.2
C. x = 
; x ? 1.2
D. x = 
or x = - 
; x ? 0.7 or x ? -0.7
Write using radical notation. Then, simplify, if possible.165/4
A. 32 B. 512 C. 128 D. 256
Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(-7, -2); Find cot ?.
A. - 1
B. 
C. 
D. - 
Simplify. Assume that all variables represent positive numbers.
A. (7x + 5)2 B. 7x + 5 C. (7x - 5)2 D. 7x - 5