Solve and check.-7.3 = 16.3 - x
A. x = 23.1
B. x = 9
C. x = 23.6
D. x = 8.5
Answer: C
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Solve the system of linear equations.-7x + 8y = 64 4x + 4y = 32
A. (-1, 9) B. (0, 8) C. (0, 9) D. No solutions
Solve the given system of equations algebraically.y = x2 - 5y2 = 9
A. x = 2.828, y = 0; x = 3.742, y = 3 B. x = 2.828, y = 3; x = -2.828, y = 3; x = 1.414, y = -3; x = -1.414, y = -3 C. x = -5, y = -9; x = -5, y = 9; x = 5, y = 9; x = 5, y = -9 D. No solution
Find the x-intercepts for the parabola whose equation is given. If the x-intercepts are irrational, round your answers to the nearest tenth.y = 2x2 - 7x - 4
A. x-intercepts (4, 0) and (0.5, 0) B. x-intercepts (-1, 0) and (-2, 0) C. x-intercepts (4, 0) and (-0.5, 0) D. x-intercepts (-1, 0) and (2, 0)
Complete the factoring.x2 - 14x + 48 = (x - 6)( )
A. x + 8 B. x - 8 C. x2 + 6 D. 6 - x