Simplify.
A. 
B. 
C. 
D. 
Answer: C
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Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.-248°
A. 112°; -428° B. 22°; -518° C. 112°; -608° D. -788°; -608°
Solve the following equation for x.
x - 
x = 7
A. x = -140 B. x = 140 C. x = -70 D. x = 70
Divide. Write with positive exponents.
A. 6x4 - 70x2 + 56x B. 6x3 - 10x + 8 C. 42x3 - 70x + 56 D. 6x4 - 10x2 + 8x
Given the polynomial function f(x), find the rational zeros, then the other zeros (that is, solve the equation 
), and factor f(x) into linear factors.f(x) = x4 + 15x3 + 49x2 - 15x - 50
A. -10, -5, 1, multiplicity 2; f(x) = (x + 10)(x + 5)(x - 1)2 B. -1, 1, 5, 10; f(x) = (x + 1)(x - 1)(x - 5)(x - 10) C. -5, -1, 1, 10; f(x) = (x + 5)(x + 1)(x - 1)(x - 10) D. -10, -5, -1, 1; f(x) = (x + 10)(x + 5)(x + 1)(x - 1)