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Review for chapter 0, 4, 5

Authored by C10707057 Manisha

Mathematics

10th - 12th Grade

Used 5+ times

Review for chapter 0, 4, 5
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23 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Simplify (2−7i)(4+2i)Simplify\ \left(2-7i\right)\left(4+2i\right)  

6 – 24i

22 – 24i

22 – 6i

6 – 6i

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Simplify 32x5y2Simplify\ \sqrt{32x^5y^2}  

 4x2∣y∣2x4x^2\left|y\right|\sqrt{2x}  

 4x2y2x4x^2y\sqrt{2x}  

 4x3y2x4x^3y\sqrt{2x}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, R = {2, 6, 7, 8}, S = {6, 8, 9}, and T = {3, 4, 5}. Find R ∪ T.

{2, 6, 7, 8, 9}

{2, 3, 4, 5, 6, 7, 8}

∅

{1, 9, 10}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify (8 + 3i) ÷ (5 – 7i).

19−41i19-41i

19+71i74\frac{19+71i}{74}

−61−71i24\frac{-61-71i}{24}

61−41i61-41i

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the axis of symmetry of the graph of g(x) = x2 - 5x + 2.

x = -5

x = 2

x = 5/2

x = -5/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the y-intercept of the function y = 2x2 + 1

1

None

3

0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different two-person teams can be made from 6 people?

15

30

360

120

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