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Solving Square Root Functions in Real World

Authored by Anthony Clark

Mathematics

11th Grade

CCSS covered

Solving Square Root Functions in Real World
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9 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The square root function g(x) is shown. g(x) = √(x − 3) + 2 What are the restricted domain and range of the inverse of g(x)?

Domain: x > 2 Range: y > 3

Domain: All real numbers. Range: All real numbers greater than or equal to 3.

Domain: [3, ∞) Range: [2, ∞)

Domain: {x | x ∈ ʀ, x ≥ 2} Range: {y | y ∈ ʀ, y ≥ 3}

Tags

CCSS.HSF-BF.B.4D

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement about the functions a(x), b(x), and c(x) is true?

All three functions have an x-intercept at x = -4.

All three functions have a range of [0, ∞).

All three functions include x = -4 as an element of their domain.

All three functions have a minimum value of -4.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If I know the area of a square, how do I find the side length?

I square the area.

I divide the area by 2.

I take the square root of the area.

I divide the area by 4.

Tags

CCSS.8.EE.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Between which two consecutive whole numbers is the√200? 

13 and 14

15 and 16

14 and 15

11 and 12

Tags

CCSS.8.NS.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which number has a square root that is between 7 and 8?

48

81

60

36

Tags

CCSS.8.EE.A.2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The √20 is between which two consecutive integers?

2 & 3

3 & 4

4 & 5

5 & 6

Tags

CCSS.8.NS.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

x² = 121
What does x equal?

11²

11 and -11

20 and 11

12 and 1

Tags

CCSS.8.EE.A.2

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