Math 8 - Quarter 1 Review

Front

Solve for x: 2x - 6 = 3x + 12

Back

x = -18

Front

Write the number 32,000,000 in scientific notation.

Back

3.2 x 10^7

Front

The length of a rectangle is 5 more than twice its width. If the perimeter of the rectangle is 82 cm, find its length and its width.

Back

Length = 29 cm, Width = 12 cm

Front

Determine the slope of the line shown on the graph:

Back

Slope = -2/3

Front

Find the slope of the line containing the points (3, -7) and (5, 4)

Back

Slope = 11/2

Front

What is the formula for the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1)

Front

What is scientific notation?

Back

A way of expressing numbers as a product of a number between 1 and 10 and a power of 10.

Front

What is the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation.

Front

What does it mean for a slope to be negative?

Back

The line decreases as it moves from left to right.