Find the axis of symmetry of the quadratic function.f(x) = 6x2 - 12x - 6
A. x = 1
B. x = -1
C. x = -12
D. x = 2
Answer: A
Mathematics
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Solve graphically. Round solutions to the nearest tenth.x2 - 9x - 1 = 0
A. 0.1, -0.1 B. 0.1, -9.1 C. 9.1, -0.1 D. 9.1, -9.1
Mathematics
Express the solution set of the inequality in interval notation.x ? 7
A. (-?, 7] B. (-?, 7) C. [7, ?) D. (7, ?)
Mathematics
Add.(9x8 - 3x7 - 2x6 - 2 ) + (5x8 - 8x7 - 6x6 - 4 )
A. 14x16 - 11x14 - 8x12 - 6 B. -10x8 - 10x7 + 5x6 + 2 C. 14x8 - 11x7 - 8x6 - 6 D. -5x42 - 6
Mathematics
Solve the equation graphically, numerically, or symbolically. If appropriate, round the solution to hundredths. ?r + 1.2? = 4
A. 2.8, 5.2 B. No solution C. -2.8 D. 2.8, -5.2
Mathematics