Substitution

Substitution

9th Grade

10 Qs

quiz-placeholder

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Substitution

Substitution

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Nicole Felts

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which image shows a system of linear equations with infinitely many solutions?

Media Image
Media Image
Media Image
Media Image

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What is the solution to this system of equations?

(4, -1)
(-1, 4)
(-4, 1)
(-4, -1)

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

Buzz graphed two lines in order to find the solution to a given system of equations.
What is the solution?

(-1, 4)
(1, -4)
(-4, 1)
(4, -1)

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the first step in solving a system by Substitution?

Make sure both equations are in standard form.
Make sure at least one equation is solved for one variable.
Make sure both equations are in slope-intercept form.
Make sure both equations can be solved.

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

If a system of equations has no solution, what does the graph look like? 

intersecting lines
parallel lines
skew lines
intersecting lines

6.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Which answer has a correct first step for this system:

3x + 3y = 3

y = 3x + 5

The variable is already isolated, so we've already solved the system.

The variable is already isolated for y, so we substitute it in the first equation and solve for x

3x + 3(3x + 5) = 3

Free sha vaca doo

The variable is already isolated for y, so we substitute it in the second equation and solve for x

y = 3(3x + 3y) = 3

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

2x + 6(-5x) = -3

2x - 5x = -3

y + 6(-5y) =-3

2(-5x) + 6y = -3

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