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Big Ideas Math: Modeling Real Life, Grade 8
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Big Ideas Math: Modeling Real Life, Grade 8 View details
2. Representations of Functions
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Exercise 35 Page 287

Substitute 2 for x in the equation.

- 13/2

Practice makes perfect
To evaluate the given equation for x= 2, we should substitute 2 for x in the given equation and then simplify.
y=x/4-7
Substitute

x= 2

y=2/4-7
ReduceFrac

a/b=.a /2./.b /2.

y=1/2-7
NumberToFrac

a = 2* a/2

y=1/2-2* 7/2
Multiply

Multiply

y=1/2-14/2
SubFrac

Subtract fractions

y=- 13/2
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arrow_right Try It p.282-283
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Try It 2 (Page 282)
Try It 3 (Page 282)
Try It 4 (Page 282)
Try It 5 (Page 283)
Try It 6 (Page 283)
Try It 7 (Page 283)
arrow_right Self-Assessment for Concepts & Skills p.284
Self-Assessment for Concepts & Skills 8 (Page 284)
Self-Assessment for Concepts & Skills 9 (Page 284)
Self-Assessment for Concepts & Skills 10 (Page 284)
Self-Assessment for Concepts & Skills 11 (Page 284)
Self-Assessment for Concepts & Skills 12 (Page 284)
Self-Assessment for Concepts & Skills 13 (Page 284)
Self-Assessment for Concepts & Skills 14 (Page 284)
Self-Assessment for Concepts & Skills 15 (Page 284)
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arrow_right Self-Assessment for Problem Solving p.285
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arrow_right Review & Refresh p.286
Review & Refresh 1 (Page 286)
Review & Refresh 2 (Page 286)
Review & Refresh 3 (Page 286)
Review & Refresh 4 (Page 286)
Review & Refresh 5 (Page 286)
Review & Refresh 6 (Page 286)
arrow_right Concepts, Skills, & Problem Solving p.286-288
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Concepts, Skills, & Problem Solving 9 (Page 286)
Concepts, Skills, & Problem Solving 10 (Page 286)
Concepts, Skills, & Problem Solving 11 (Page 286)
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Concepts, Skills, & Problem Solving 15 (Page 287)
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Concepts, Skills, & Problem Solving 33 (Page 287)
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Concepts, Skills, & Problem Solving 36 (Page 288)
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Concepts, Skills, & Problem Solving 40 (Page 288)
Concepts, Skills, & Problem Solving 41 (Page 288)