Ratios and coordinate plane

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the simplest form of the ratio 18:3?

Back

6:1

Front

How do you simplify the ratio 35:14?

Back

Divide both numbers by their greatest common divisor, which is 7. The simplified ratio is 5:2.

Front

What does the coordinate (4, -6) represent on a coordinate plane?

Back

It represents a point located 4 units to the right of the origin and 6 units down.

Front

What is the x-coordinate in the point (4, -6)?

Back

4

Front

What is the y-coordinate in the point (4, -6)?

Back

-6

Front

How do you find the weight of an object on Earth if it weighs 32 lbs on Mars?

Back

Use the ratio of weights on Mars to Earth, which is 0.8. Multiply 32 lbs by 0.8 to get 80 lbs.

Front

What is the ratio of 72 to 90 in simplest form?

Back

The simplest form is 8:10 or 4:5.

Front

If a table shows a ratio of 1:4, what does this mean?

Back

It means for every 1 part of the first quantity, there are 4 parts of the second quantity.