Grade 8 Pre-Algebra - ToC - Round 2

Front

Back

4 and 5

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

What is the cube root of 27?

Back

3

Front

How can you identify a linear relationship in a scatter plot?

Back

Look for a pattern where the points form a straight line.

Front

If Lance the alien is 5 feet tall and his shadow is 8 feet long, how tall is a tree whose shadow is 32 feet long?

Back

20 feet

Front

What is the formula for finding the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1) for two points (x1, y1) and (x2, y2).

Front

What does it mean for a number to be a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer.

Front

What is the relationship between the sides of similar triangles?

Back

The ratios of the lengths of corresponding sides are equal.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What is the Pythagorean theorem?

Back