simultaneous equation

Find the solution of the given simultaneous equations.

 $y\ =\ 2x-3$  

 $3x-2y=4$  

• (2, 1)

•  $\left(-\frac{7}{3},-\frac{23}{3}\right)$  

• (-7, -17)

• (7, 4)

• no solution

 Find the solution of the given simultaneous equation. 
 $3x+2y=3$  
 $5x+3y=4$  

• (-1,3)

• (17, -12)

•  $\left(\frac{1}{2},\frac{3}{4}\right)$  

• (-6, 3)

• no solution

Two pencils and a ruler cost 49 cents in total. One pencil and two rulers cost 62 cents in total. Find the cost of each item.

• pencil: 13 cents

  ruler: 23 cents

• pencil: 15 cents

  ruler: 23.50 cents

• pencil: 12 cents

  ruler: 25 cents

• pencil: 18 cents

  ruler: 26 cents

Tags

CCSS.8.EE.C.8C

I have only 2 cent and 5 cent coins. The total number of coins is 25, and their total value is 92 cents. How many of each coin do I have?

• number of 2 cent coins: 16

  number of 5 cent coins: 9

• number of 2 cent coins: 8

  number of 5 cent coins: 17

• number of 2 cent coins: 13

  number of 5 cent coins: 12

• number of 2 cent coins: 11

  number of 5 cent coins: 14

Tags

CCSS.8.EE.C.8C

Solve simultaneously. 

 $y=2x+1$  

 $y=-x-5$  

• (4, -9)

• (-2, -3)

• (7, 3)

• (-4, -7)

• no solution

John is two years older than Paula. Three times John's age plus four times Paula's age is 55 years. How old are John and Paula?

• John is 11 years old and Paula is 9 years old.

• John is 5 years old and Paula is 3 years old.

• John is 9 years old and Paula is 7 years old.

• John is 14 years old and Paula is 12 years old.

A baker's basket contains bread rolls and sandwich loaves. The loaves weigh 750 g and rolls 150 g. The total number of loaves and rolls is 16 and their total weight is 6 kg. How many rolls and how many loaves are in the basket?

• There are 7 sandwich loaves and 9 bread rolls in the basket.

• There are 12 sandwich loaves and 4 bread rolls in the basket.

• There are 8 sandwich loaves and 8 bread rolls in the basket.

• There are 6 sandwich loaves and 10 bread rolls in the basket.

Find the solution of the simultaneous equations given the graph.

• (0, 2)

• (2, 2)

• (-1, 3)

• no solution

Tags

CCSS.8.EE.C.8B

Given the grap, the simultaneous equations has no solution.

• True

• False

Tags

CCSS.8.EE.C.8A

Find the solution of the simultaneous equation.

• (0, -2)

• (2, -3)

• (-2, 3)

• (3, -2)

• no solution

Tags

CCSS.8.EE.C.8B