Thursday Review

Write the equation for the model.

• 2x - 2 = -x - 8

• -x - 2x = 2x - 8x

• -x - 2 = 2x - 8

Solve for x

• x = 4

• x = 1

• 2x = 4

• x = 2

Solve for x

• 2

• 6

• -2

• -6

Enlargement or reduction?  Find the scale factor!

• It's a reduction; the scale factor is 2.
• It's an enlargement; the scale factor is 2.
• It's an enlargement; the scale factor is 1/2.
• It's a reduction; the scale factor is 1/2.

Enlargement or reduction?  Find the scale factor!

• It's an enlargement; the scale factor is 1/2.
• It's an enlargement; the scale factor is 2.
• It's a reduction; the scale factor is 1/2.
• It's a reduction; the scale factor is 2.

Which best represents point Z on the number line?

• √165

• √149

• √12.2

• √13

Which value is best represented by point Q?

• √5.4

• √29.5

• √35.5

• √5.9

What is the y-intercept?

What is the y-intercept?

Angle 1 = 27^o
Find the measure of angle 4

• 27^o
• 153^o
• 63^o
• 90^o