Simplify the algebraic expression.4 - (-2x) + 6x - (-8)
A. 12 + 8x
B. 12 + 4x
C. -4 + 8x
D. -4 + 4x
Answer: A
Mathematics
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Write as a decimal.0.4%
A. 0.04 B. 0.005 C. 0.004 D. 0.4
Mathematics
Simplify.(30y + 5) - [-13y2 - (15y - 5)]
A. 13y2 + 45y - 10 B. 13y2 + 15y C. -13y2 + 15y + 10 D. 13y2 + 45y
Mathematics
Identify the equation as a circle, a parabola, an ellipse, or a hyperbola.
?
?
A. Ellipse B. Parabola C. Hyperbola D. Circle E. None of the above
Mathematics
Solve and check.x2 - 4x - 21 = 0
A. 3, 7 B. -3, -7 C. -3, 7 D. -7, 3
Mathematics