For f (x) = 5x2 ? 2 , find the simplified difference quotient.
What will be an ideal response?
5(2x + h)
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Solve. First combine any like terms on each side of the equation.
x = 26 + 2
A. 45 B. 42 C. 36 D. 39
Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|x - 6| ? 0
A. {6}
B. (-6, 6)
C. (-?, ?)
D. (6, ?)
Solve the system of equations using substitution.
A. x = -2, y = 1; x = -1, y = -2; x = 1, y = -2; x = 2, y = 1 B. x = 1, y = -2; x = 4, y = 13 C. x = -1, y = -2; x = 1, y = -2 D. x = -2, y = 1; x = 2, y = 1
Add the proper constant to each binomial so that the resulting trinomial is a perfect square trinomial. Then factor the trinomial.x2 + 18x + _______
A. x2 + 18x + 18 = (x + 324)2 B. x2 + 18x + 9 = (x + 81)2 C. x2 + 18x + 324 = (x + 18)2 D. x2 + 18x + 81 = (x + 9)2