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zmey [24]
3 years ago
14

Factor x^2-3x-28 using the x method

Mathematics
1 answer:
arsen [322]3 years ago
8 0

Answer:

{x}^{2}   - 7x + 4x - 28 \\  = x(x - 7) + 4(x - 7) \\  = (x - 7)(x + 4)

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Answer:

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Step-by-step explanation:

When it means "evaluate the function", it's in essence asking us to see what the function spits out when we feed it a certain input. Our inputs are our x values, which spit out a y value.

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Let's look at where the function has an x value of 1. We see it near the bottom of the table and see the y value associated with the input is 7. So when the function is fed 1 as an input, it spits out 7.

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This one is a weird because of the new notation. Just think of it as some value of f, which we don't know (so we represent it as an x-variable) must equal -2. So let's look at our table to find out where our output is -2. We find that when f(x) = -2 the input is 0. So the input which gives -2 is 0.

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They both drive 18 miles north, so if amir goes 18 miles west and Anna goes East, it is just 32 minus 18: she drove 12 miles east.
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4 years ago
Write an inequality for the graph. Then, in words, describe all the values of that make the inequality true.
kow [346]
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Answer:

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Step-by-step explanation:

y = 10x + 13

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Step-by-step explanation:

They will not intersect because they do not have a pair of solutions

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