3 years ago

What's the slope for this, I really need help, like a lot,

Mathematics

1 answer:

geniusboy [140]3 years ago

6 0

Answer:

It would be 3/3

Step-by-step explanation:

it is over 3 and up 3 if you are trying to get 3\4 go up 1

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F(x)=x²+4x-7 determine the vertex

asambeis [7]

Answer:

The vertex of this parabola is $(-2,-11)$

Step-by-step explanation:

One way of finding the x-coordinate of the vertex of a parabola is by using the equation $-\frac{b}{2a}$

From the function $f(x)=x^2+4x-7$ , we can see that

$a=1\\b=4\\c=-7$

This means that

$-\frac{b}{2a}=-\frac{4}{2(1)} =-2$

So, the x-value of the vertex is -2. Now, we can plug this x-value into the function to find the y-coordinate of the point.

$f(x)=x^2+4x-7\\\\f(-2)=(-2)^2+4(-2)-7\\\\f(-2)= 4-8-7\\\\f(-2)=-11$

Thus, the vertex of this parabola is $(-2,-11)$

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3 years ago

Two points are shown on the number line. Which value is best represented by the point F?

Masja [62]

Answer:

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3 years ago

Solution to this inequality <br> 12<8+x

ra1l [238]

Answer:

x > 4 or 4<x

Step-by-step explanation:

12<8+x

You can rewrite it for easier look:

8+x>12

Suvtract 8 from both side:

8+x-8>12-8

0+x > 4

x > 4 or 4<x

Hope this help you :3

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4 years ago

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1. Which ordered pair is a solution of the inear equation shown in the graph above?

Stels [109]

(-1,1)
It is a solution because out of all the other answers it’s the only one that it’s on the line

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2 years ago

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