Linear Equations
The equation if John earns $20 each day he works at the Freestone fruit stand, plus a $15 bonus if he arrives at work on time every day.
What is y= 20x + 15
The equation when a car can travel 310 miles on 8 gallons of gas.
What is y = 38.75 x
The formula for a direct variation problem.
What is y= kx?
y = 25x - 19
What is 25?
The m in slope-intercept formula.
What is the slope?
yThe equation when y varies directly as x varies, if
y = 72 when x = 12.
What is y= 6x.
The equation represented by this table
x 0 1 2 3
y -3 5 13 21
What is y= 8x -3 ?
The formula for slope-intercept.
What is y= mx + b ?
x 3 4 6 7
y 23 28 38 43
What is 5 ?
The k in the direct variation formula.
What is a constant rate?
The equation when Sandra opens a bank account by depositing $100. She will put $25 in the account each month.
What is y = 25x + 100
The equation when y varies directly as x varies, if
x=32 when y = 288.
What is y= 9x ?
The formula for m.
What is y2-y1/x2-x1 ?
A t-shirt factory charges a $25 dollar set up fee and $6 for every shirt ordered.
What is 6 ?
The r in the volume of a sphere formula.
What is the radius ?
The equation when y varies directly with x, when
x = 50 and y = -12.5.
What is y = -1/4x.
The equation when you have coordinate points
( 3,-1) and ( 0,5 ).
What is y= - 2x + 5
The formula for the volume of a cone.
What is V=1/3Bh ?
Coordinate points:(1,2) and (3,-4)
What is -3 ?
The P in the surface area formula.
What is the perimeter of the base?
The equation when the water level in a pond is at 12 feet. Daily storms raise the pond level by 3 inches each day.
What is y = 0.25x + 12
The equation when you have coordinate points
( 1,2 ) and ( 3, -4 ).
What is y= -3x +5
The formula for total surface area of a Prism
What is S= Ph +2B ?
Coordinate points:
(-7,9) and (-18, 9)
What is zero slope?
The B in the Volume formulas.
What is the area of the base?