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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 2 Page 282

Substitute 5 for x in the equation.

19

Practice makes perfect
To evaluate the given equation for x= 5, we should substitute 5 for x in the given equation and then simplify.
y=4x-1
Substitute

x= 5

y=4( 5)-1
Multiply

Multiply

y=20-1
SubTerm

Subtract term

y=19
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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)
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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)
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arrow_right Concepts, Skills, & Problem Solving p.286-288
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