SAT MATH REVIEW

Front

What is the formula to find the total amount when given a percentage of it?

Back

Total Amount = (Part / Percentage) * 100

Front

If Logan bought 36 pieces of bubble gum, which was 40% of the store's stock, how do you find the remaining stock?

Back

Remaining Stock = Total Stock - Bought Stock; Total Stock = 36 / 0.4 = 90, Remaining Stock = 90 - 36 = 54.

Front

What is a margin of error in polling?

Back

Margin of error is a statistic expressing the amount of random sampling error in a survey's results.

Front

How do you estimate a population based on a sample?

Back

Estimate = (Sample Percentage / 100) * Total Population.

Front

What is the relationship between a sample size and the accuracy of a poll?

Back

Larger sample sizes generally lead to more accurate and reliable results.

Front

How do you interpret a pie chart?

Back

A pie chart shows the proportion of different categories as slices of a whole, representing percentages.

Front

What does a line of best fit represent in a scatterplot?

Back

A line of best fit shows the trend of the data points and can be used to make predictions.

Front

How do you calculate the average yearly increase from a scatterplot?

Back

Average Yearly Increase = (Change in Value) / (Number of Years).

Front

What is the sine function in trigonometry?

Back

The sine function relates the angle of a right triangle to the ratio of the length of the opposite side to the hypotenuse.

Front

If sin(x) = 3/5, what does this imply about the triangle?

Back

In a right triangle, the opposite side is 3 units and the hypotenuse is 5 units.