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Quiz 5-1B: Solving Systems of Equations

Posljednje ažuriranje over 3 years ago

5

Obavezno

2

2

3

Pitanje 3

3.

Solve the system of equations below algebraically.
y=5x+20
y=-3x+4
Show your answer is in (x,y) form. Show your steps for part marks.

3

3

Pitanje 1

1.

When we solve a system of equations, what are we trying to find? There are 2 correct answers.

The (x,y) values where two lines intersect.

The values for the two variables that make both equations true.

Only the x.

Only the y.

Pitanje 2

2.

What is the solution to this system of equations?

(3,-12)

(-3,12)

(-3,-12)

(3,12)

None of these.

Pitanje 4

4.

Explain why the system of equations below will not have a solution. Give one reason that you are sure of your answer.
y =2x+36
y=2x-5
You may type your explanation and/or show your work, but be sure to be very clear in your explanation.

Pitanje 5

5.

Solve the system of equations by graphing.
y=\frac{3}{4}x+2
y=-\frac{1}{2}x-3