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Big Ideas Math: Modeling Real Life, Grade 8
BI
Big Ideas Math: Modeling Real Life, Grade 8 View details
2. Slope of a Line
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Exercise 8 Page 150

Substitute the given points into the Slope Formula.

There is no answer for this exercise
Practice makes perfect

We can calculate the slope by substituting the given points into the Slope Formula. m = y_2-y_1/x_2-x_1 Note that it does not matter which point we choose to use for ( x_1, y_1) and ( x_2, y_2), since the result of using the Slope Formula will be the same.

m=y_2-y_1/x_2-x_1
SubstitutePoints

Substitute ( 2,-3) & ( 5,-3)

m=-3-( -3)/5- 2
SubNeg

a-(- b)=a+b

m=-3+3/5-2
AddSubTerms

Add and subtract terms

m=0/3

0/a=0

m=0

The slope of the line that passes through the given points is 0. This means that the line is horizontal.

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arrow_right Try It p.149-150
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Try It 2 (Page 149)
Try It 3 (Page 149)
Try It 4 (Page 149)
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arrow_right Self-Assessment for Concepts & Skills p.150
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Self-Assessment for Concepts & Skills 7 (Page 150)
Self-Assessment for Concepts & Skills 8 (Page 150)
Self-Assessment for Concepts & Skills 9 (Page 150)
arrow_right Self-Assessment for Problem Solving p.151
Self-Assessment for Problem Solving 10 (Page 151)
Self-Assessment for Problem Solving 11 (Page 151)
Self-Assessment for Problem Solving 12 (Page 151)
arrow_right Review & Refresh p.152
Review & Refresh 1 (Page 152)
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