Testing Solutions

Given the equation 3x + 13y = 39 and x = 1, what is the value of y?

• 2

• 35/2

• 36/13

• 3

Is (1, 2) a solution to the linear equation 2x + 5y = 12?

• Yes

• No

Is (3, 1) a solution to the linear equation 4x + 3y = 12?

• Yes

• No

Select all of the points that are solutions to the linear equation 5x + 8y = 40.

• (8, 0)

• (4, 2)

• (0,5)

• (1, 6)

• Yes

• No

• Yes

• No

• Yes

• No

Is (-1, 0) a solution to this inequality?

• Yes

• No

Is (1, 6) a solution to this inequality?

• Yes

• No

Test if point (-1, 4) is a solution to the system:

x= 7 - 2y

2x + y = 5

​ ​ (a)   = 7 - 2 * ​( (b)   )

2* (​ (c)   ) + ​ (d)   = 5

• -1

• 4

• -4

• 1