Karlee Rivas

2023-03-13

How to graph the equation $y=-x-3$?

plakatnihpkd

Beginner2023-03-14Added 5 answers

graph{y=-x-3 [-10, 10, -5, 5]}

You can therefore substitute any number for x. So let's substitute 0 for x.

y = - (0) - 3

y = -0 - 3

y = -3

Now, you should also remember to distribute the negative sign, otherwise, you will receive incorrect values. Let plug another number in such as -3

y = -(-3) - 3

y = 3 - 3

y = 0

Likewise, if you plug in a negative number for x, do recall the rule that a negative number times a negative number gives you a positive number then you subtract 3.

You can therefore substitute any number for x. So let's substitute 0 for x.

y = - (0) - 3

y = -0 - 3

y = -3

Now, you should also remember to distribute the negative sign, otherwise, you will receive incorrect values. Let plug another number in such as -3

y = -(-3) - 3

y = 3 - 3

y = 0

Likewise, if you plug in a negative number for x, do recall the rule that a negative number times a negative number gives you a positive number then you subtract 3.

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