Unit 1C

Unit 1C

9th Grade

12 Qs

quiz-placeholder

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Unit 1C

Unit 1C

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Marion Bell

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Solve this system by substitution.

(1, -4)

(1, 4)

(-4, -7)

(-7, -4)

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

3x + y = –14

–2x – y = 9

Which method would be best for solving this system?

Substitution

Elimination/Matrices

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the best method to use?


y = 6x − 11

−2x − 3y = −7

Graphing

Substitution because a variable is isolated.

Elimination because both equations are in standard form.

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve for x and y
3x + 2y = 16
7x + y = 19

(-2,5)
(-2,-5)
(2,-5)
(2,5)

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the value of the y-coordinate of the solution to the system of equations 
x-2y=1
x+4y=7 

1
-1
3
4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the following systems of equations using substitution:


2y + x = -15

x = 3y

(-3, -9)

(-9, -3)

(-3, 9)

(9, -3)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is (1,10) a solution to

y=7x+5

y=x+9

yes

no

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