Unit 7 Review

Front

What is the equation for the total cost c of hitting b buckets of golf balls at a driving range that charges $4 to rent a golf club plus $2.75 for every bucket?

Back

c = 2.75b + 4

Front

How do you express the total cost y of a holiday meal that costs $12.50 per person plus a delivery fee of $30?

Back

y = 30 + 12.5x

Front

Write the equation in slope-intercept form with a slope of 2/3 and a y-intercept of -3.

Back

y = 2/3x - 3

Front

Which equation represents a linear relationship where the y-value increases by 3 for every increase of 1 in x, starting from 9?

Back

y = 3x + 9

Front

How do you write the equation in slope-intercept form from the points (0, 3) and (-4, -1)?

Back

y = x + 3

Front

Define slope in the context of a linear equation.

Back

Slope is the ratio of the change in y to the change in x, representing the steepness of a line.

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the value of y when x is 0, indicating where the line crosses the y-axis.

Front

Explain the concept of a linear equation.

Back

A linear equation is an equation that forms a straight line when graphed, typically in the form y = mx + b.

Front

What does the term 'slope-intercept form' refer to?

Back

Slope-intercept form is a way of writing linear equations as y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you determine the slope from two points (x1, y1) and (x2, y2)?

Back

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