Question

Suppose x and y are integers, and 3x+4y=17. Which of these could be the value of y?

Answer 1

a. 0
b.1
c.2
d.3
e.4

Answer 2

did you plug in y=0 and see if x is an integer when you solve for x?
did you plug in y=1 and see if x is an integer when you solve for x?
....
this is one way to go about the problem.

Answer 3

Then youyou have to plug y=2 and look if x comes to be an integer.

Answer 4

is that the only way to solve this type of problem?

Answer 5

because this is from an ACT test prep and i'm trying to find the fastest solution :)

Answer 6

The value of Y which get x an integer is required answer

Answer 7

my answer's C

Answer 8

Correct

Answer 9

For fast answer you have to check faster

Answer 10

so does that mean that the trial and error method is the fastest?

Answer 11

Another method of plotting graph ,I think that is time consuming

Answer 12

Do with you can do faster graph or trial