Slope-Intercept Form & Equations Review
1
Which of the following is not necessary when writing a
linear equation in Slope-Intercept Form?
The equation must be written in French.
The y term is always listed by itself on the left side of the
equation.
Must be in y=mx + b form. (b is a real integer and m is the
slope)
The y term must never have an integer before it.
The y term must always be positive.
2
Which of these choices would be a good first step to convert this to a Slope-Intercept Form Equation:
-4 + y + 2x = 0
Add 2x to both sides of the equation
Divide all units by 2
Multiply all units by -4
Add 4 to both sides of the equation
Add y to both sides of the equation
2
What is the next necessary step to convert this to a
 Slope-Intercept Form Equation:
-4 + y + 2x = 0 → y + 2x = 4
Subtract y from both sides
The equation is now in Slope-Intercept form
The x term needs to be written first
Divide all terms by 2
Subtract 2x from both sides
2
What is the next step to convert this to a Slope-Intercept
Form Equation:
y + 2x = 4 → y = -2x + 4
Subtract y from both sides
Subtract 2x from both sides
Change all the terms signs (negative→positive or
positive→negative) which is multiplying all terms times -1
The equation is in Slope-Intercept Form
Divide all terms by 2
3
What is the first step to convert this to a Slope-Intercept
Form Equation:
3y = 2 - x
Subtract 3y from both sides
Divide all terms by 2
Add x to both sides
Divide all terms by 3
The equation is in Slope-Intercept Form
3
What is the next step to convert this to a Slope-Intercept
Form Equation:
3y = 2 - x → y = 2/3 - (1/3)x
The equation is in Slope-Intercept Form
Add x to both sides
Divide all terms by 3
The x term needs to be written first on the right side of the
equation
Subtract 3y from both sides
3
What is the next step to convert this to a Slope-Intercept
Form Equation:
y = 2/3 - (1/3)x → y = (1/3)x - 2/3
The x term needs to be written first
Divide all terms by 3
Add x to both sides
The equation is in Slope-Intercept Form
Subtract 3y from both sides
4
What is the first step to convert this to a Slope-Intercept
Form Equation:
7x + 3 = 8y + 4
Subtract 8 from both sides
Subtract 3 from both sides
Add 4 to both sides
The equation is in Slope-Intercept Form
Add 3 to both sides
4
What is the next step to convert this to a Slope-Intercept
Form Equation:
7x + 3 = 8y + 4 → 7x = 8y + 1
Subtract 1 from both sides
The equation is in Slope-Intercept Form
Add 1 to both sides
Divide all terms by 7
Subtract 8y from both sides
4
What is the next step to convert this to a Slope-Intercept
Form Equation:
7x = 8y + 1 → 7x - 8y = 1
Subtract 7x from both sides
Subtract 1 from both sides
Add 1 to both sides
The equation is in Slope-Intercept Form
Divide all terms by 7
4
What is the next step to convert this to a Slope-Intercept
Form Equation:
7x - 8y = 1 → -8y = -7x + 1
Multiply all terms times 8
Divide all terms by -8
The equation is in Slope-Intercept Form
Subtract 8y from both sides
Multiply all terms times 7
4
The equation is in Slope-Intercept Form
What is the next step to convert this to a Slope-Intercept
Form Equation:
-8y = -7x + 1 → y = (7/8)x - 1/8
Subtract y from both sides
Change all the terms signs (negative→positive or
positive→negative) which is multiplying all terms times -1
The equation is in the Standard Form
Add y to both sides
5
What is the first step to convert this to a Slope-Intercept
Form Equation:
y = (-4/5)x
Subtract y from both sides
Multiply all terms times 5
Divide all terms by 5
Divide all terms by 4
The equation is in Slope-Intercept Form
6
What is the first step to convert this to a Slope-Intercept
Form Equation:
y = (-5/9)x + 1/3
Multiply all terms by 3
Change all the terms signs (negative→positive or
    positive→negative) which is multiplying all terms by -1
Subtract (1/3) from both sides
The equation is in Slope-Intercept Form
Multiply all terms times 9
7
Use the Distributive property to simplify both sides of
    the equal sign
Change all the terms signs (negative→positive or
    positive→negative) which is multiplying all terms by -1
Divide all terms by 10
Subtract 6y from both sides
The equation is in Slope-Intercept Form
What is the first step to convert this to a Slope-Intercept
Form Equation:
6(y - 3) = 3(-4x + 10)
7
What is the next step to convert this to a Slope-Intercept
Form Equation:
6(y-3)=3(-4x+10) → 6y-18=-12x+30
Add 18 to both sides
Divide all terms by 18
The y term needs to be written first
Subtract 12x from both sides
Subtract 6y from both sides
7
What is the next step to convert this to a Slope-Intercept
Form Equation:
6y-18=-12x+30 → 6y=-12x+48
The equation is in Slope-Intercept Form
Subtract 3 from both sides
Change all the terms signs (negative→positive or
    positive→negative) which is multiplying all terms by -1
Divide all terms by 6
Subtract 6 from both sides
7
What is the next step to convert this to a Slope-Intercept
Form Equation:
6y=-12x+48 → y=-2x+16
The equation is in Slope-Intercept Form
Add 16 to both sides
Add 2 to both sides
Subtract 2 from both sides
Subtract 16 from both sides
8
What is the first step to convert this to a Slope-Intercept
Form Equation:
2(y-1) = -2(9x + 5)
The equation is in Slope-Intercept Form
Subtract 18x from both sides
Add 2y to both sides
Subtract y from both sides
Use the Distributive property to simplify both sides of 
    the equal sign
8
What is the next step to convert this to a Slope-Intercept
Form Equation:
2(y-1) = -2(9x + 5) → 2y - 2=-18x-10
Change all the terms signs (negative→positive or
    positive→negative) which is multiplying all terms by -1
Add 2 to both sides
Subtract 18x from both sides
The equation is in Slope-Intercept Form
Subtract 2y from both sides
8
What is the next step to convert this to a Slope-Intercept
Form Equation:
2y-2=-18x-10 → 2y=-18x-8
Change all the terms signs (negative→positive or
    positive→negative) which is multiplying all terms by -1
Add 8 to both sides
Divide all terms by 2
Subtract 8 to both sides
The equation is in Slope-Intercept Form
8
What is the next step to convert this to a Slope-Intercept
Form Equation:
2y = -18x-8 → y = -9x-4
Add 4 to both sides
Add 9x to both sides
The equation is in Slope-Intercept Form
Subtract 4 from both sides
Subtract 9x from both sides
9
What is the first step to convert this to a Slope-Intercept
Form Equation:
3(y+4) = 3(x-4)
Subtract 4 from both sides
Subtract x from both sides
Use the Distributive property to simplify both sides of 
    the equal sign
Subtract y from both sides
Add 4 to both sides
9
What is the next step to convert this to a Slope-Intercept
Form Equation:
3(y+4) = 3(x-4) → 3y+12 = 3x-12
Add 3y to both sides
Add 12 to both sides
The equation is in Slope-Intercept Form
Subtract 12 from both sides
Add 3x to both sides
9
What is the next step to convert this to a Slope-Intercept
Form Equation:
3y+12=3x-12 → 3y=3x-48
The equation is in Slope-Intercept Form
Change all the terms signs (negative→positive or
    positive→negative) which is multiplying all terms by -1
Divide all terms by 3
Subtract 48 from both sides
Add 48 to both sides
9
What is the next step to convert this to a Slope-Intercept
Form Equation:
3y=3x-48 → y=x-18
Add 18 to both sides
Subtract 18 from both sides
Add y to both sides
Subtract y from both sides
The equation is in Slope-Intercept Form
10
b) slope=
c) x-intercept
a) y-intercept=
Given that y=3x-1, answer the following:
11
b) slope=
c) x-intercept=
Given that y=-½x+1, answer the following:
a) y-intercept=
12
b) slope=
c) x-intercept=
Given that y=2-4x, answer the following:
a) y-intercept=
13
b) slope=
c) x-intercept=
a) y-intercept=
If
y=
3x+5
15
, answer the following:
14
b) slope=
c) x-intercept=
a) y-intercept=
If
y=
21-35x
7
, answer the following:
15
Given that 2x+y+4=0, answer the following:
a) y-intercept=
b) slope=
c) x-intercept=
16
c) x-intercept=
Given that 3y-4x-12=0, answer the following:
b) slope=
a) y-intercept=
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