Graphing Equations and Writing Equations

Janelle has $20 and is saving $6 per week. Which equation models the relationship between her current savings and her savings per week?

• y = 6x + 20

• y = 20x + 6

• y = -6x + 20

• y = -20x + 6

Sam weighs 205 pounds and is gaining 2 pounds per week. Which equation models the relationship between his current weight and his weight per week?

• y = 205x + 2

• y = 2x + 205

• y = -2x + 205

• y = -205x + 2

PhotosFast charges a fee of $2.50 plus $0.05 for each picture developed. Which equation models the relationship between the fee and cost per picture?

• y = $2.50x + $0.05

• y = -$0.05x + $2.50

• y = -$2.50x + $0.05

• y = $0.05x + $2.50

Payland Park charges $7 admission plus $0.75 per ride. Which equation models the relationship between admission and the price per ride?

• y = $7x + $0.75

• y = $0.75x + $7

• y = -$7x + $0.75

• y = -$0.75x + $7

Write the equation of the line shown in slope intercept form.

Write the equation of the line shown in slope intercept form.

Write the slope intercept form of the equation that passes through the origin and has a slope of \frac{1}{3}.

Write the slope intercept form equation of the line passing through the points in the given table.

Write the slope intercept form equation of the line that goes through the points given in the table.

Write an equation in slope-intercept form that passes through (-3, -3) and (0, -5).