Higher Practice 3

sin 0 =

• 0

• ¹/₂

• ^√2/₂

• ^√3/₂

• 1

Tags

CCSS.HSF.TF.A.2

sin 30 =

• 0

• ¹/₂

• ^√2/₂

• ^√3/₂

• 1

Tags

CCSS.HSG.SRT.C.7

sin 45 =

• 0

• ¹/₂

• ^√2/₂

• ^√3/₂

• 1

Tags

CCSS.HSF.TF.A.2

cos 0 =

• 0

• ¹/₂

• ^√2/₂

• ^√3/₂

• 1

Tags

CCSS.HSF.TF.A.2

tan 0 =

• 0

• 1

• √3

• ^√3/₃

Tags

CCSS.HSF.TF.A.2

When factoring
x² - 4x + 4 = 20,
what goes in the blank?
(x - __ )² = 20

• 4
• 2
• 8
• 20

Tags

CCSS.HSA-REI.B.4B

Write the following quadratic expression in completed square form...

x² + 4x + 10

• (x + 4)² + 6

• (x + 2)² + 6

• (x + 4)² - 6

• (x + 2)² - 6

Tags

CCSS.HSA-REI.B.4B

Simplify the following surd...

• 3√2

• 2√3

• 9√2

• 3√6

Simplify the following surd...

• 6√2

• 2√6

• 8√2

• 4√6

Two similar shapes have a volume scale factor of 27. What is their area scale factor?

• 3

• 6

• 9

• 27