8th grade review

Front

What is the best estimate for the number 9.3432?

Back

6.782 is the best estimate.

Front

Convert 3.97 x 10^-2 to standard form.

Back

0.0397

Front

How do you calculate the slope of a line using a graph?

Back

Slope is calculated as rise over run.

Front

What is the equation of a line in slope-intercept form?

Back

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

Front

Is the following graph a function? (Vertical line test)

Back

If a vertical line intersects the graph more than once, it is not a function.

Front

What does the y-intercept represent in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis.

Front

What is the definition of a function?

Back

A function is a relation where each input has exactly one output.

Front

How do you identify the slope from a graph?

Back

The slope is the change in y divided by the change in x between two points.

Front

What is scientific notation?

Back

A way to express numbers as a product of a number between 1 and 10 and a power of 10.

Front

Convert 0.000397 to scientific notation.

Back

3.97 x 10^-4.