Week 1 Quarter 3 quiz

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

What is the simplified version of this expression? $-4(8r+3)$  

•  $-32r-12$  

•  $32r-12$  

•  $-32r+12$  

•  $32r+12$  

What is the simplified version of this expression?  $9\left(-5x+8\right)$  

•  $45x-72$  

•  $45x+72$  

•  $-45x-72$  

•  $-45x+72$  

What is the simplified version of this expression?  $9\left(-5x+8\right)$  

•  $45x-72$  

•  $45x+72$  

•  $-45x-72$  

•  $-45x+72$  

• -24x+36
• 24x+36
• -24x+32
• 24x-32

What is the ratio of sharks to fish?

• 2 to 10

• 2 to 8

• 8 to 2

What is ratio of blue to orange

• 3/2

• 3/5

• 2/3

What is the ratio of circles to triangles?

• 2 to 4

• 3 to 4

• 1 to 3

When are ratios useful?

• When you want to compare a part of something to a whole.

• When you want to divide 2 numbers.

• When you're doing chores.