4-1 Understand Solutions and Equations

4-1 Understand Solutions and Equations

Multiple Choice

How can you determine whether a given solution makes an equation true?

• Just close your eyes and pick one, it's got to be correct.

• Substitute each value to see which one make the equation true.

• All given values must make the equation true.

• Given values are never going to make an equation true.

Multiple Choice

When is an equation true?

• when one side is bigger than the other

• never

• always

• when both sides of the equation are the same value

Multiple Choice

True or False:

 $7n=45$  if n = 5

• True, 7x5 = 45

• False, 7x5 = 35

Fill in the Blanks

 $3+c=11$  c = 7, 8, 9, 10 Which is the correct value for c?

Multiple Choice

 $d+9=25$  

•  $d=16$  

•  $d=22$  

•  $d=26$  

•  $d=36$  

Fill in the Blanks

 $14n=35$  

Multiple Choice

 $13.4-g=8.1$  

• 3.5

• 4.5

• 5.3

• 4.3

Fill in the Blanks

 $4=36\div m$  

Multiple Choice

 $n=56-34$  

• n = 8

• n = 22

• n = 12

• n = 21

Fill in the Blanks

 $5n=40$  

Fill in the Blanks

 $157.5\div n=21$  

Fill in the Blanks

 $n+48=54$