Evaluate.-5x3 + 6x2 - 30, for x = -2
A. 24
B. 34
C. 22
D. -2
Answer: B
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Given the term, idenitfy the coefficient, the variable, and the exponent of the variable.-11z2
A. coefficient: -11 variable: z exponent: 2 B. coefficient: 11 variable: z exponent: 2 C. coefficient: 2 variable: z exponent: -11 D. coefficient: -11 variable: z2 exponent: 2
Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The product of 4 and the difference of a number and 7 is the same as the sum of the number and 21.
A. 4(7 - x) = x + 21 B. 4(x - 7) = x + 21 C. 4x - 7 = x + 21 D. 7 - 4x = x + 21
Identify the complex number as real or imaginary.- 
A. Real B. Imaginary
Complete the ordered pairs. Then graph the equation by plotting the points and drawing a line through them.y = x - 4(0, ), ( , 0), (3, )
A. (0, 4), (4, 0), (3, 1)
B. (0, 4), (-4, 0), (3, 7)
C. (0, -4), (4, 0), (3, -1)
D. (0, -4), (-4, 0), (3, -7)