Precalculus Challenge Exam Review Activity #3

4^(x-2)= 64^(x+1)

• -2/5
• -5/2
• 7/2
• 2/7

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Write the logarithm expression as a single logarithm

2log 4 + log 2

• log 8

• log 16

• log 32

• log 8²

Solve log(x) + log(x+3) = 1

• 5
• -2
• -5
• 2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

14^4-6x = 11 round to the nearest tenth

• 5
• 0.5
• 0.1
• 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What are the coordinates of the center and the radius of the circle with equation:
(x - 4)² + (y - 3)² = 25 ?

• Center (4,3)
  Radius = 5 units
• Center (4,3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 25 units
• Center (-4,-3)
  Radius = 5 units

Tags

CCSS.HSG.GPE.A.1

Please convert the to standard form. x² + y² + 4x + 2y - 20 = 0

• (x + 2)² + (y + 1)² = 25
• (x - 2)² + (y - 1)² = 5
• (x + 2)² + (y + 1)² = 20
• (x + 1)² + (y + 2)² = 24

8 - 9|10r - 9| = -73

• r = 9/5, r = 0
• r = 0, r = 5
• r = 9/5, r = 1
• r = -63/10, r= 0

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3

Solve
8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃
• n = ⁴/₅, - 2
• n = ¹/₄, ^-3/₂
• n = 2, -12

Tags

CCSS.HSA.REI.B.4

-3x² + 45 ≥ 6x

• -5 < x < 3
• -5 ≤ x ≤ 3
• x < -5 or x > 3
• x ≤ -5 or x ≥ 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

• y=0

• y=1/5

• y= 2/5

• y=1