Complete the trinomial so it is a perfect square.9x2 +   + 25

A. 30x
B. 15x
C. x
D. x

Answer: A

Mathematics

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Find the derivative of y with respect to x.y = 2x3 sin-1 x

A.  + 6x2
B.  + 6x2 sin-1 x
C.  + 6x2 sin-1 x
D.

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Mathematics

Evaluate.Evaluate x + 1 for x = -8.

A. -16 B. -9 C. -7 D. 9

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Mathematics

Write a numerical expression for the phrase and simplify it.The sum of -11 and -9, divided by the product of 1 and -4

A. -11 + ; 6
B. -11 + ; - 
C. ; 5
D. ; - 4

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Mathematics

Complete the table. Then determine the x-intercept and y-intercept for the graph of the equation.x + y = -10 

A.
x-intercept: -10; y-intercept: 10

B.
x-intercept: -10; y-intercept: -10

C.
x-intercept: 10; y-intercept: -10

D.
x-intercept: 10; y-intercept: 10

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Mathematics