Math 8 Ch. 5 Test Review

Front

What is the probability of choosing a letter from the word MATH and then getting tails when a coin is flipped?

Back

1/13

Front

How do you convert 0.02 into a percent?

Back

2%

Front

What is the equation of the line of best fit for a given data set?

Back

Front

What is the probability of rolling a 6 on the first roll of a number cube and then rolling a number less than 5 on the second roll?

Back

1/9

Front

If an ice cream parlor offers 15 different flavors, which model can show the number of different choices?

Back

Spin a spinner with 15 sections.

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)

Front

How do you express a fraction as a percent?

Back

Multiply the fraction by 100 and add a percent sign.

Front

What is the probability of rolling a number cube and getting an even number?

Back

3/6 or 1/2 (even numbers are 2, 4, 6).

Front

What is the definition of a line of best fit?

Back

A line that best represents the data on a scatter plot.

Front

How do you find the slope of a line given two points (x1, y1) and (x2, y2)?

Back

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