Graphing and Solving Equation Review

From the equation: y = -2x+6 what is the y-intercept of the line?

• y

• 6

• x

• -2

Which graph is correct for y = -2x +4?

• A

• B

• 
• 
• 
• 

In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee. Write an equation in slope-intercept form that models this situation.  After how many months will the total cost be $58?

• 7 months

• 6 months

• 5 months 

• 4 months

How many solutions does this system of equations have?

• One solution

• Infinitely many solutions

• No solutions

• Two solutions

What is the solution to this system?

• (1, -1)

• (-1, 1)

• (0, -2)

• (2, 0)

When you graph the exact same equation twice,

• you will have no solution. 

• you will have one solution.

• you will have infinite solutions. 

• you will graph a giraffe. 

Solve for x and y
y = 2x + 1
y = 4x - 1

• (1,3)

• (-1,-3)

• (-1,3)

• (3,1)

Solve the system given:
3x - y = 7
2x + y = 3

• (-1,2)

• (5,4)

• (4,5)

• (2,-1)

Solve the following systems of equations using substitution:

5x - 2y = 3

y = 2x

• (6, 3)

• (1, 2)

• (3, 6)

• (2, 1)