Chapter 8 - Spiral Review

Use elimination to solve the system of equations given by 6x + 2y = 0 and 3x + 7y = 24.

• No Solution

• (-4/3, 4)

• Infinitely Many

  Solutions

• (-1, 3)

Solve 4a(a – 4) – 7a = a(4a – 3) + 20

Solve –4(10 – n) – 6n > 8(n + 3) – 7n + 2.

• n<-22

• n>-22

• n<-6

• n>-6

Use elimination to solve the system of equations given by 10x – 40y = 60 and 15x + 40y = -10.

Solve the equation 4n+3 = 4n−2

• No Solution

• All Real Numbers

• n=3

• n=5

Simplify x³y⁰z^-2

• -x³yz²

• 0

Solve 11x – 9 > 13 or –4x – 4 < 8

• x>-3

• x>2

• x>-1

• x<-3 or x>2

Which graph is the graph of y - 2 = 4(x + 5)?

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Solve the equation 5n+7 = 3n−1

• No Solution

• All Real Numbers

• n=4

• n=2

Use substitution to solve the system of equations given by 7x + 3y = 21 and 2x + 5y = 15.

• No Solution

• (3, 0)

• Infinitely Many

  Solutions

• (1, 3)