Lesson 10 Solving Systems of Equations with Elimination Part

Lesson 10 Solving Systems of Equations with Elimination Part

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Multiple Choice

Solve the equation for a,

 $5\left(a+2b\right)=0$  

•  $a=\frac{2b}{5}$  

•  $a=-2b$  

•  $a=2b-5$  

•  $a=5-2b$  

Multiple Choice

Solve the equation for a,

 $5a+2b=0$  

•  $a=\frac{2b}{5}$  

•  $a=-2b$  

•  $a=2b-5$  

•  $a=5-2b$  

Multiple Choice

Solve the equation for a,

 $a+5=2b$  

•  $a=\frac{2b}{5}$  

•  $a=-2b$  

•  $a=2b-5$  

•  $a=5-2b$  

Multiple Choice

Solve the equation for a,

 $a+2b=5$  

•  $a=\frac{2b}{5}$  

•  $a=-2b$  

•  $a=2b-5$  

•  $a=5-2b$  

Multiple Choice

Kiran sells f full boxes and h half-boxes of fruit to raise money for a band trip. He earns $5 for each full box and $2 for each half-box of fruit he sells and earns a total of $100 toward the cost of his band trip. The equation 5f + 2h =100 describes this relationship.

Solve the equation for f.

• $f=\frac{2}{5}h+20$

• $f=2h+20$

• $f=h+10$

• $f=-\frac{2}{5}h+20$

Multiple Choice

Solve this system of equations, round decimals to two decimal places.

6x+21y=103

-6x+23y=51

• (-4.92, 3.5)

• (-4.92, -3.5)

• (4.92, -3.5)

• (4.92, 3.5)

Multiple Choice

Solve this system of equations with elimination.

5x+2y=29

5x-2y=41

• (-3, 7)

• (7, -3)

• (-3, -7)

• (3, -7)

Multiple Choice

Which equation is the result of subtracting the second equation from the first?

4x-6y=13

-5x+2y=5

• -9x-4y=8

• -x+4y=8

• x-4y=8

• 9x-8y=8

Multiple Choice

Which equation is the result of adding these two equations?

-2x+4y=17

3x-10y=-3

• -5x-6y=14

• -x-6y=14

• x-6y=14

• 5x+14y=20