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Big Ideas Math Algebra 2, 2014

BI

Big Ideas Math Algebra 2, 2014 View details

2. Characteristics of Quadratic Functions

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Exercise 85 Page 64

You can solve for the variable by using cross products.

x=2

Practice makes perfect

To solve the proportion, we will start by using cross products. Then, we will continue solving for x by using the Properties of Equality.

1/2=x/4

Cross multiply

1* 4=x*2

Multiply

4=2x

▼

Solve for x

.LHS /2.=.RHS /2.

2=x

Rearrange equation

x=2

Subchapter links

Communicate Your Answer p.55

Monitoring Progress p.57-60

Exercises p.61-64