Use substitution to determine whether the system of linear equations has no solutions, one solution, or infinitely many solutions.3x = y + 36x - 2y = 3
A. Infinitely many
B. One
C. No solutions
Answer: C
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Solve the problem.Sketch a graph showing the mileage that a person is from home after x hours if that individual drives at 32.5 mph to a lake 65 miles away, stays at the lake 1.5 hours, and then returns home at a speed of 65 mph.
A. 
B. 
C. 
Write the system of linear equations that the augmented matrix represents. Use the variables x, y, and z.
A. 4x - 5y = -7 -6x + 8y = 5 B. -5x + 4y = -7 -6x + 8y = 5 C. 4x - 5y = -7 8x - 6y = 5 D. 4x - 5y = 7 -6x + 8y = -5
Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 
- 3 = 
A. {0}
B. {
}
C. {x|x is a real number}
D. ?
Find 
.y = 6x4 - 8x2 + 5
A. 24x2 - 16 B. 24x2 - 16x C. 72x2 - 16 D. 72x2 - 16x