Apply row operations to the augmented matrix to find the solution to the linear system.
A. x = -3, y = 4
B. x = -4, y = 3
C. x = 3, y = -4
D. x = 4, y = -3
Answer: D
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Find an equation of the tangent line at the indicated point on the graph of the function.w = g(z) = z2 - 3, (z, w) = (-4, 13)
A. w = -4z - 19 B. w = -8z - 38 C. w = -8z - 35 D. w = -8z - 19
Solve the equation by completing the square.x2 - 14x + 45 = 0
A. 9, 5
B. 3
, -3
C. 40, 5
D. -9, -5
Solve the problem.A boat heads 220° propelled by a force of 600 lb. A wind from 132° exerts a force of 125 lb on the boat. How large is the resultant force, and in what direction is the boat moving?
A. 609 lb, 208° B. 609 lb, 232° C. 652 lb, 208° D. 652 lb, 232°
Find the slope-intercept form for the line satisfying the conditions.Parallel to y = 3x - 9, passing through (1, -5)
A. y = -3x + 2 B. y = -3x - 2 C. y = 3x - 8 D. y = 3x + 8