PREP EXAM REVIEW

x, y and z are whole numbers. Write x in terms of z according to the given divisions .

• 15z + 7

• 15z + 1

• 10z + 17

• 15z + 12

xyz7 is a 4-digit number and xyz is a 3-digit number. Find the sum of the quotient and remainder when xyz7 is divided by xyz.

• 7

• 8

• 18

• 17

Solve:

2x + 3y = 5

x + 3y = 7

• x = -2

  y = 3

• x = -2

  y = -3

• x = 2

  y = 3

• x = 2

  y = -3

• (3, 4)

• (4, 3)

• (4, 4)

• (3, 3)

• (4, 1)

• (-1, 4)

• (1, 4)

• (4, -1)

What is the solution to the system of equations?

• (5, 2)

• (2, 5)

• (-5, 2)

• (-2, -5)

What is the solution to the system of equations?

• (-5, -2)

• (2, -5)

• (2, 5)

• (-5, 2)

What is the solution?

• No solution
• (0, 2)
• (0, -4)
• (3, -3)

What is the solution to the system?
8x + 4y = 12
y = -2x + 3

• (0,3)
• (3,0)
• No solution(parallel lines)
• Infinitely many solutions

what is the slope of the following 12x - 6y = 30

• 2

• -2

• 12

• -12