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Big Ideas Math: Modeling Real Life, Grade 8
BI
Big Ideas Math: Modeling Real Life, Grade 8 View details
Chapter Review
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Exercise 32 Page 190

Apply inverse operations to isolate y.

y= - 2x-6

Practice makes perfect

Rewriting any linear equation in the slope-intercept form requires us to isolate the y-variable. To do this, we will use the Properties of Equality to apply inverse operations on the equation.

4x+2y=- 12
SubEqn

LHS-4x=RHS-4x

4x+2y-4x=- 12 - 4x
SubTerm

Subtract term

2y=- 12 - 4x
DivEqn

.LHS /2.=.RHS /2.

2y/2=- 12-4x/2
WriteSumFrac

Write as a sum of fractions

2y/2=- 12/2-4x/2
CrossCommonFac

Cross out common factors

2y/2=- 12/2-4x/2
SimpQuot

Simplify quotient

y=- 12/2-4x/2
CalcQuot

Calculate quotient

y=- 6 -2x
CommutativePropAdd

Commutative Property of Addition

y= -2x-6
Subchapter links expand_more
arrow_right 1 Graphing Linear Equations p.187
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Graphing Linear Equations 2 (Page 187)
Graphing Linear Equations 3 (Page 187)
Graphing Linear Equations 4 (Page 187)
Graphing Linear Equations 5 (Page 187)
Graphing Linear Equations 6 (Page 187)
Graphing Linear Equations 7 (Page 187)
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Graphing Linear Equations 10 (Page 187)
arrow_right 2 Slope of a Line p.188
Slope of a Line 11 (Page 188)
Slope of a Line 12 (Page 188)
Slope of a Line 13 (Page 188)
Slope of a Line 14 (Page 188)
Slope of a Line 15 (Page 188)
Slope of a Line 16 (Page 188)
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arrow_right 3 Graphing Proportional Relationships p.188-189
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20
Graphing Proportional Relationships 21 (Page 189)
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Graphing Proportional Relationships 23 (Page 189)
arrow_right 4 Graphing Linear Equations in Slope-Intercept Form p.189
Graphing Linear Equations in Slope-Intercept Form 24 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 25 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 26 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 27 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 28 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 29 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 30 (Page 189)
Graphing Linear Equations in Slope-Intercept Form 31 (Page 189)
arrow_right 5 Graphing Linear Equations in Standard Form p.190
Graphing Linear Equations in Standard Form 32 (Page 190)
Graphing Linear Equations in Standard Form 33 (Page 190)
Graphing Linear Equations in Standard Form 34 (Page 190)
Graphing Linear Equations in Standard Form 35 (Page 190)
Graphing Linear Equations in Standard Form 36 (Page 190)
Graphing Linear Equations in Standard Form 37 (Page 190)
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arrow_right 6 Writing Equations in Slope-Intercept Form p.190-191
Writing Equations in Slope-Intercept Form 39 (Page 190)
Writing Equations in Slope-Intercept Form 40 (Page 190)
Writing Equations in Slope-Intercept Form 41 (Page 190)
Writing Equations in Slope-Intercept Form 42 (Page 190)
Writing Equations in Slope-Intercept Form 43 (Page 190)
Writing Equations in Slope-Intercept Form 44 (Page 190)
Writing Equations in Slope-Intercept Form 45 (Page 191)
arrow_right 7 Writing Equations in Point-Slope Form p.191
Writing Equations in Point-Slope Form 46 (Page 191)
Writing Equations in Point-Slope Form 47 (Page 191)
Writing Equations in Point-Slope Form 48 (Page 191)
Writing Equations in Point-Slope Form 49 (Page 191)
Writing Equations in Point-Slope Form 50 (Page 191)
Writing Equations in Point-Slope Form 51 (Page 191)
Writing Equations in Point-Slope Form 52 (Page 191)