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McGraw Hill Glencoe Algebra 1, 2012

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McGraw Hill Glencoe Algebra 1, 2012 View details

1. Graphing Linear Equations

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Exercise 14 Page 159

Can the equation be written in standard form?

Linear? Yes.
Equation: 4x-y= 8

Practice makes perfect

To determine if the given equation is a linear equation, let's first see if we can rewrite it in standard form. Ax+ By= CIn this form, A, B, and C are constants and A and B cannot both be zero.

8+y=4x

LHS-y=RHS-y

8=4x-y

Rearrange equation

4x-y=8

This is the standard form of the given equation. Below we have highlighted how it corresponds to the general standard form. 4x-y=8 ⇔ 4x+( -1)y= 8 When written this way, we can see that A= 4, B= -1, and C= 8. Since this equation can be written in standard form, it is linear.

Subchapter links

Check Your Understanding p.159

Practice and Problem Solving p.159-161

H.O.T. Problems p.161

Standardized Test Practice p.162

Spiral Review p.162

Skills Review p.162