Solve Equations Day 2 and y=mx+b review

Front

What is the equation for the cost, C, after h hours of babysitting if Kynnley charges a flat fee of $3 plus $5 per hour?

Back

C = 5h + 3

Front

Distribute the expression: 3(8x – 5)

Back

24x – 15

Front

What is the equation of the line represented by the graph if the slope is -2 and the y-intercept is 4?

Back

y = -2x + 4

Front

Write the equation for the line in slope-intercept form if the slope is 4 and the y-intercept is 3.

Back

y = 4x + 3

Front

If there is a $20 startup fee and a $5 monthly fee for an online learning community, what is the equation in slope-intercept form that models this situation?

Back

y = 5x + 20

Front

What does the slope-intercept form of a linear equation look like?

Back

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

Front

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

Back

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

Front

What is the y-intercept in the equation y = 3x + 7?

Back

The y-intercept is 7.

Front

If the slope of a line is negative, what does that indicate about the direction of the line?

Back

The line decreases as it moves from left to right.

Front

What is the meaning of the term 'slope' in a linear equation?

Back

The slope represents the rate of change of y with respect to x.