Forms
Write the equation in point-slope form for the line that passes through (2, -3) with a slope of 7.
y +3 = 7(x - 2)
Starbucks deducts $3.45 from Nicole's $25 gift card for every grade hot coffee she orders. What would be the slope for the equation written to calculate the balance on the gift card?
- 3.45; spending 3.45 per coffee
What does HOY stand for?
Horizontal line
0 slope
Y=
What is the slope of the line parallel to y=2x+3?
m = 2
Are the lines parallel, perpendicular, or neither?
y=2x+1
y=2x+2
parallel
Write the equation in point-slope form for the line that passes through (-1, -4) and (5, 1)
y +4 = 5/6(x +1)
OR
y -1 = 5/6(x -5)
Starbucks deducts $3.45 from Nicole's $25 gift card for every hot coffee she orders. What would be the y-intercept for the equation written to calculate the balance on the gift card?
$25; the initial value on the gift card
What does VUX stand for?
Vertical line
Undefined slope
X=
What is the slope of the line perpendicular to y=2x+3?
m = - 1/2
Are the lines parallel, perpendicular, or neither?
y=2x+2
y=2x+2
Write the equation in slope-intercept form for the line that passes through (0, -5) and (4, 0).
y = 5/4x -5
The phone company charges $10.95 per month plus $1 per GB of data used. Write the linear equation that represents the cost in a month.
y = x +10.95
What is the slope of Y=4?
0 zero
Write the equation in point-slope form of the line through (2, 1) that is parallel to y= -3x +1
y - 1 = -3(x - 2)
Are the lines parallel, perpendicular, or neither?
y=x+1
y=-x+2
perpendicular
Write the equation in slope intercept form for the line that passes through (-1, 0) with a slope of -3.
y = -3x -3
What form should your equations be in to determine if they are parallel?
Slope-Intercept Form
Write the equation of the line with an undefined slope through (2, 4)
x = 2
Write the equation of the line in slope-intercept form, for the line that passes through (0,1) and is perpendicular to y= 1/2x - 5
y = -2x +1
Are the lines parallel, perpendicular, or neither?
x-axis
y-axis
perpendicular
Write the equation in slope intercept form for the line that passes through (2, 5) and (3, 7).
y = 2x + 1
Are all horizontal and vertical lines perpendicular?
Yes
Write the equation of the line through (-1, 2) parallel to the X-axis.
y= 2
Write the equation of the line (in any form) of the line that passes through (3, 4) and is perpendicular to the x-axis.
x=3
Are the lines parallel, perpendicular, or neither?
x=2
x=-2