Math Mid year Review

Front

Solve for x: 3x - 7 = 5

Back

x = 4

Front

Is the relationship in the table proportional? If so, what is the constant of proportionality?

Back

Yes; 3

Front

You want to buy a camera costing $340. You have saved $120 and save $20 weekly. How many weeks to save the rest?

Back

11 weeks

Front

Calculate: 5 - 19

Back

-14

Front

What is the constant of proportionality?

Back

45 mph

Front

Define a proportional relationship.

Back

A relationship where two quantities maintain a constant ratio.

Front

What is the formula for finding the constant of proportionality?

Back

k = y/x, where k is the constant, y is the dependent variable, and x is the independent variable.

Front

If y = 3x, what is the constant of proportionality?

Back

3

Front

What does it mean if a relationship is not proportional?

Back

The ratio between the two quantities changes.

Front

Solve for x: 2x + 3 = 11

Back

x = 4