8th Grade Math Review

Front

Determine the slope of the line represented by the equation: y = -7x + 3

Back

m = -7

Front

In the equation y = mx + b, what does 'm' represent?

Back

Slope

Front

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Back

27 feet

Front

Find the length of the missing side of a right triangle where one side is 60 in. and the other side is 80 in.

Back

80 in.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

What is the Pythagorean theorem?

Back

a² + b² = c², where c is the hypotenuse.

Front

What is the definition of a slope?

Back

The ratio of the rise (vertical change) to the run (horizontal change) between two points.

Front

If a line has a slope of 2, what does this mean?

Back

For every 2 units the line rises, it runs 1 unit.

Front

What is the y-intercept in the equation y = 3x + 4?

Back

4

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 * (length + width)