Answer:
2xsquared-2x
Step-by-step explanation:
Answer: 6k+19
Step-by-step explanation:
To combine like terms subtract the k term from the 7k term.
7k-k+19 = 6k+19
Answer:
3x+12
Step-by-step explanation:
Expanding is basically the opposite of simplifying an equation, in order to expand you just multiply everything out
Here we have
which just means
which is
Find the slope of the first line, that is the difference of the y’s over the difference of the x’s. This way: 2-5/2-5=-3/-3 which equals 1
Now find the slope of the second line 2-(-6)/-5-3
=8/-8
=-1
The slopes are opposite reciprocal ( you could also say that the product of the 2 slopes equals -1) therefore the lines are perpendicular.
Answer: (-2,4)
When looking at a graph for a solution, look for the point of intersection. The solution will be the point where both lines cross. In this case, it is (-2,4)
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