Grade 7 NSCAS Review

Front

What is the equation to find the height of a plant after x days if it grows 1/8 inch each day starting from 9 inches?

Back

Front

How do you represent the height of water in a pool after it drains at a rate of 7 inches per hour from a full height of 56 inches?

Back

Front

What is the best estimate for the total cost of 12 songs at $1.09 each?

Back

Front

What is the formula for the area of a circle?

Back

Front

What is the value of the expression 2g + h when g = 3.5 and h = 7?

Back

Front

What does the slope represent in a linear equation?

Back

The slope indicates the rate of change of the dependent variable with respect to the independent variable.

Front

Back

The y-intercept is the value of y when x = 0, represented by b.

Front

How do you calculate the total cost of multiple items?

Back

Total Cost = Number of Items × Cost per Item.

Front

What is the relationship between the height of water in a pool and time when draining?

Back

The height decreases linearly over time.

Front

What is an estimate?

Back

An estimate is an approximate calculation or judgment of a value.