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Serhud [2]
2 years ago
11

Find the equation of the line with x-intercept 4 and y-intercept -1 in slope-intercept form.

Mathematics
1 answer:
Nastasia [14]2 years ago
7 0

Answer:

Step-by-step explanation:

The slope-intercept form is y=mx+b, where m is the slope and b is the y-coordinate of the y-intercept, so we can already conclude that b=-1.

This results in y = mx - 1

We also have the x-intercept, and we know that the y-coordinate of an x-intercept is always 0. This means that we have the point (4,0). Substitute this into the formula to generate m:

0 = 4m - 1

4m = 1

m = 1/4

thus y = \frac{1}{4}x - 1

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If f(x) = 4x - 7, what's the value of f(2) ? *<br> O -1<br> O 1<br> O 20<br> O 35
sp2606 [1]

Answer:

B

Step-by-step explanation:

f(x) = 4x - 7

What does f(x) mean? It means that whatever variable you have on the left which is (x), the same variable must be on the right.

So f(2) means that whatever variable is on the right, it must be replaced with 2 on the right. So .....

f(2) = 4(2) - 7

f(2) = 8 - 7

f(2) = 1

3 0
2 years ago
-2+4(-x+4)=10 using distributive property and collecting like terms
stich3 [128]

Answer:

<h2>x = 1</h2>

Step-by-step explanation:

-2+4(-x+4)=10\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\-2+(4)(-x)+(4)(4)=10\\\\-2-4x+16=10\qquad\text{combine like terms}\\\\-4x+(-2+16)=10\\\\-4x+14=10\qquad\text{subtract 14 from both sides}\\\\-4x+14-14=10-14\\\\-4x=-4\qquad\text{divide both sides by (-4)}\\\\\dfrac{-4x}{-4}=\dfrac{-4}{-4}\\\\x=1

4 0
3 years ago
Which expressions have a value of 15 when<br> S = 15
stich3 [128]

what are the answer choices?

5 0
3 years ago
Read 2 more answers
I need help on this one
Tanzania [10]
What is it? I will help. :)
4 0
3 years ago
Taylor has a credit card with an interest rate of 24.5% compounded monthly that she must pay off in seven years. If her balance
Lyrx [107]
For the answer to the question above, I'll provide a computation to the problem given and it will look like this.
<span>
M = 2345 × (0.0204166667 (1 + 0.0204166667)^(12×7)) / ((1 + 0.0204166667)^(12×7) - 1)

So the answer is 
M= </span><span>$58.61

I hope my answer helped you with your problem. Have a nice day!
</span>
8 0
3 years ago
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