Solve the compound inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-4 ? -4x - 12 < 4
A. (-4, -2]
B. (-?, -4) or [-2, ?)
C. [-4, -2)
D. (-?, -4]
Answer: A
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Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.5x2 + 6xy + 5y2 = 15
A. 8u2 + 2v - 15 = 0; Parabola B. 8u2 - 2v2 - 15 = 0; Hyperbola C. 8u2 + 2v2 - 15 = 0; Ellipse D. 8u2 + 2u - 15 = 0; Parallel lines
Find an equation of a line satisfying the following conditions.Vertical, passing through (-3, 4)
A. x = -3 B. y = 4 C. y = -3 D. x = 4
Simplify the expression. Assume that variables represent nonzero numbers.(x8y9)3
A. x24y27 B. x11y12 C. x8y27 D. x24y9
Graph using a graphing utility and identify the x- and y-intercepts from the graph. Use the indicated graphing window dimensions.x - 3y = 6 (window size [-10, 10, 1] by [-10, 10, 1])
A. x-intercept = -3; y-intercept = -
B. x-intercept = -6; y-intercept = -2
C. x-intercept = 6; y-intercept = -2
D. x-intercept = -2; y-intercept = 6