Multiply the polynomials using the FOIL method. Express the answer as a single polynomial in standard form.(-2x + 7)(x + 8)
A. -2x2 - 11x + 56
B. -2x2 + 56x - 9
C. -2x2 - 9x - 9
D. -2x2 - 9x + 56
Answer: D
Mathematics
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Solve the equation.
+ 
= -2
A. 
B. 
C. 
D. 
Mathematics
The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(-5
, -5
)
A. (5
, 135°)
B. (10, 225°)
C. (10, 135°)
D. (5
, 225°)
Mathematics
Find the absolute value.|25|
A. -25 B. 25 C. 0 D. 50
Mathematics
Simplify.5x + 12x(6x2 - 6x - 9) + (-7x + 1)
A. 72x3 - 110x + 1 B. 72x3 - 72x2 - 110x + 1 C. 72x3 - 72x2 + x + 1 D. 72x3 - 72x2 - 110x
Mathematics