Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. x2 + 5x ? -6
A. (-?, -3]
B. (-?, -3] ? [-2, ?)
C. [-3, -2]
D. [-2, ?)
Answer: B
Mathematics
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Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. (5x + 1)(9x - 4) = -8
A. a = 45, b = 11, c = 12 B. a = 45, b = 11, c = -4 C. a = 45, b = -11, c = 4 D. a = 45, b = -11, c = -4
Mathematics
Find the indicated term.If a1 = 8, d = 
, find a36.
A. 28
B. - 12
C. - 
D. 
Mathematics
Divide and simplify.
A. 4
B. 
C. 
D. 3
Mathematics
Simplify the factorial expression.
A. 8 B. 0! C. 28 D. 1
Mathematics