Solving Exponential Equations 1

Sovle for x:
5^{-3x - 1} = 25

• x = -1
• x = -4
• x = -3
• x = 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.4

Solve for p:
4^p+2 = 64

• p = -16/9
• p = 1
• p = 8
• p = 7/6

Tags

CCSS.7.EE.B.4A

Solve 8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve for x:
9^x+8 = 81

• 2
• -6
• 6
• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

8^a+9 = 76 round to the nearest tenth

• 7
• 2
• -7
• -6.9

11⁵ⁿ = 72 round to the nearest tenth

• 0.4
• 0.5
• 1.5
• -2

Tags

CCSS.6.EE.B.7

20^v+4 = 85 round to the nearest tenth

• -2.5
• -2
• 3.5
• 4

Tags

CCSS.HSF.LE.A.4

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

• 5
• 0.5
• 0.1
• 1

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

Tags

CCSS.HSF.LE.A.2

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B