(-7+8d)0.6 distributive property
1 answer:
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<h3>Answer: (-1, 11)</h3>
This means x = -1 and y = 11 pair up together.
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Work Shown:
Set the two functions equal to one another. Solve for x.
f(x) = g(x)
-4x+7 = 2x+13
7 = 2x+13+4x ... adding 4x to both sides
7 = 6x+13
7-13 = 6x .... subtract 13 from both sides
-6 = 6x
6x = -6
x = -6/6 ... divide both sides by 6
x = -1
Use this x value in either function
f(x) = -4x+7
f(-1) = -4(-1)+7
f(-1) = 11
or
g(x) = 2x+13
g(-1) = 2(-1)+13
g(-1) = 11
Whichever function you pick, the input x = -1 leads to the output y = 11.
The point of intersection is (x,y) = (-1, 11)
Visual confirmation is shown below.
Answer:
(b) (x-3)(x+4)-18 = (x+6)(x-5)
Step-by-step explanation:
Here , the given expression is P(x) = (x-3)(x+4)-18
Simplifying the given expression ,we get:
So,the given polynomial P(x) can also be written as (x+6)(x-5)
Hence, P(x) = (x-3)(x+4)-18 = (x+6)(x-5)