G9 Mathematics KOI

G9 Mathematics KOI

9th Grade

20 Qs

quiz-placeholder

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G9 Mathematics KOI

G9 Mathematics KOI

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Erfu Liu

Used 1+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve the equation by factoring:

x2-6x+8=0

x = 2 or x = 4

x = -2 or x = -4

x = -2 or x = 4

x = 2 or x = -4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which answer choice correctly shows the quadratic equation above in factored form?

(x + 7)(x - 2) = 0

(x - 7)(x + 2) = 0

(x - 7)(x - 2) = 0

(x + 7)(x + 2) = 0

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by taking the square root:
4x2 = 100
-10, 10
-25, 25
-5, 5
5

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by factoring:
x2 - 16 = 0
4
-4
-4, 4
16

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by factoring:

x2 + 2x - 20 = 4

x = -6, x = 4

x = 6, x = -4

x = 12, x = -2

x = 8, x = -3

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve by taking the square root:

7x2 + 1 = 8

± 1

± 7

± √7

± 8

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Solve by completing the square:

x2 + 10x = -9

1 and -12

-1 and -9

1 and -9

1 and -1

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