8th Grade Math STAAR Review #2

Front

If your scale factor is greater than 1, your new shape will be ______.

Back

Bigger

Front

What is the y-intercept of the line?

Back

2

Front

How would you write 4.3756 x 10^4 in standard form?

Back

43,756

Front

What is the slope of the line represented by the equation?

Back

-3

Front

What is the equation from this model?

Back

-3x + 1 = x - 2

Front

Define scale factor in geometry.

Back

A scale factor is a number that scales, or multiplies, a quantity.

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

Convert 0.00043756 to scientific notation.

Back

4.3756 x 10^-4

Front

What is the formula for calculating slope?

Back

Slope (m) = (y2 - y1) / (x2 - x1) where (x1, y1) and (x2, y2) are two points on the line.

Front

What does it mean if a slope is negative?

Back

A negative slope indicates that as x increases, y decreases.