Linear Equation and Slope

Allie orders candles from an online company that offers flat rate shipping. She placed an order for 4 candles for $35. A few months later, she placed an order for 12 candles for $95. Write an equation in point-slope form to model the total cost, y, for ordering x candles. How much is shipping?

Which equations form a linear function?

Is (4,-3) a solution to the linear equation shown?

• yes

• no

y = 8 is a ____________ line

• vertical

• horizontal

What is the x-intercept of:
 -3x + 2y = 18

• 6

• -6

• 9

• -9

What is the equation of the graph?

• y = - 3

• x = -3

What is the slope if this line?

Answer explanation

Rise over run

Please find the slope of this line.

• -2

• 2

• ^-1/2

• 1/2

Please find the slope and y intercept.

• Slope is 3 and y intercept is 8

• Slope is -3 and y intercept is 2

• Slope undefined and y intercept 1

• Slope is not listed above and neither is the way intercept

What is the slope of a line that has the following coordinates? (-11, 10) and (-8, -4)

• 14/3

• 3/14

• - 3/14

• -14/3