Answer:
0
Step-by-step explanation:
x=1 and y=-3
so 3x^2 + y = 3*1^2 + (-3)
= 3* 1 -3
=0
Answer:
You use the formula (y to the second power minus y to the first power minus the same formula with the two different points
Step-by-step explanation:

Step-by-step explanation:
The Standard Form of the equation of line is given by:

So:

The x-intercept can be found setting
:

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Answer:
1.51
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
4x + 5y = -13.
Substitute the point in
4(-2) + 5(-1) = -13
-8+-5 = -13
-13 = -13
This is true so the point is a solution