Week 18 #79 - Accel Warm Up - 1/14

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it is linear (striaght).
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Match the following ratios:

• 24:9

• 8:3

• 9:21

• 5:4

• 21:12

• 3:7

• 20:16

• 7:4

• 24:72

• 2:6

What is the ratio of green marbles to yellow marbles?

• 3 to 2

• 3 to 1

• 3 to 3

• 2 to 3

• subtract 8
• divide 7
• x=3
• add 8
• multiply 7
• subtract 7
• x=2
• x=5.2
• x=7
• divide 8

Work out the value of the expression when x = 3, y = 2 and z = 4.

2x² + z²

• 2

• 27

• 50

• 34

Which algebraic expression is shown above?

Write in scientific notation: 
540,020,000

• 5.4002 x 10⁸
• 5.4 x 10⁸
• 5.4002 x 10⁴

What is the ratio of circles to triangles? (simplest form)

• 15:20

• 3:4

• 3:8

• 15:35

Which ratio is equivalent to 5:4 ?

• 25:20

• 10:12

• 4:5

• 15:8