Intro Math: EXAM REVIEW

Front

Joey had 18 pieces of candy to eat. If he was going to eat the same amount each day for three days, how much would he eat in one day?

Back

6

Front

What is the slope and y-intercept of the table?

Back

m=6/5 b=0

Front

If 20% of the students in a class are girls, and there are 30 students in total, how many girls are there?

Back

6

Front

Find the slope given these points: (-5,3) & (3,5)

Back

1/4

Front

There are 453 students eating lunch in the cafeteria. 308 students brought lunch from home. What percent of students bought lunch from the cafeteria?

Back

32.01%

Front

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

Back

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

Front

Define 'percent' in mathematical terms.

Back

Percent means 'per hundred' and is a way to express a number as a fraction of 100.

Front

What is the formula to find the total number of items if you know the percentage and the total?

Back

Total = (Part / Percentage) * 100

Front

How do you convert a fraction to a percent?

Back

Multiply the fraction by 100 and add a percent sign.

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis (x=0).