Solve Two Variable Equations

Find the solutions of x + 2y = 6

• (2,2)

• (0,3)

• (5,4)

• (4,1)

• (3,2)

How many solutions does a Linear equation in two variable would have?

• Only one

• Two solutions

• Five solutions

• Infinity

Tags

CCSS.8.EE.C.8B

Is (3, 2) a solution of x + y = 6?

• yes

• no

• may be, cannot judge.

• none of the above

Is (10, -4) a solution of x + y = 6?

• yes

• no

• may be, cannot judge.

• none of the above

• (0,445)

• (0.50, 435)

• (233, 21)

• (118, 209)

• (172, 101)

Tags

CCSS.8.EE.C.7B

Coach Ortiz and his wife Mikala are saving up for a baby. Coach Ortiz has $500 saved up and saving $500 per month. Mikala has $1000 saved up and is saving $250 per month. After how many months will Coach Ortiz and Mikala have the same amount of money saved?

Hint: Create and Equation and solve. Using Desmos is hard to see on this one so you can solve by hand if that helps, remember get parents on one side and children on other

• 2 months

• 3 months

• 4 months

• 5 months

Tags

CCSS.8.EE.C.8C

The sum of two numbers is -2.  The difference is -​ 12.  
Find the 2 numbers

​ ​ (a)   ​ (b)   ​

• 5

• -7

• 6

• -4

• 3

• -3

• 2

• -2

Tags

CCSS.8.EE.C.8C

The amounts that two plumbers charge for their services are described.

* The first plumber charges a fixed fee of $40 for the house calls and $15 per hour of work.

*The second plumber charges a fixed fee of $30 for house calls and $19 per hour of work.

For what number of hours of work do the first plumber and the second plumber charges the same total amount?

Tags

CCSS.8.EE.C.8C

Is the coordinate (3,5) on the graph y=x+2?

• Yes

• No

• Don´t know

Which of these
co-ordinates lie on the line
y = 3x - 8?

• (5, 8)

• (0, 8)

• (2, -2)

• (1, 5)

Tags

CCSS.HSF.IF.A.1