Find the equation of the graph. Write the equation in slope-intercept form.
A. y = x + 3
B. y = x - 4
C. y = x + 4
D. y = -x - 1
Answer: C
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Solve the problem.The sum of three numbers is -4. The first, minus the second, plus 3 times the third, is 2. The third, plus 2 times the first, plus the second, is -1. What are the numbers?
A. 3, 3, -5 B. No solution C. -3, 5, 2 D. 3, -5, -2
Solve the problem algebraically. Clearly define all variables, write an appropriate equaion, and solve.A triangular-shaped stained glass window has two sides that are each 36 inches shorter than four times the length of the shortest side. If the perimeter of the window is 198 inches, what are the lengths of the three sides?
A. 30 inches, 84 inches, 84 inches B. 30 inches, 120 inches, 120 inches C. 30 inches, 54 inches, 54 inches D. 30 inches, 96 inches, 96 inches
Find the range of the quadratic function.f(x) = (x + 5)2 + 9
A. [9, ?) B. [5, ?) C. [-5, ?) D. [-9, ?)
Solve the linear system by using an inverse matrix.
A. {(-1, 2, 1)} B. {(2, -1, 4)} C. {(2, 1, 6)} D. ?