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schepotkina [342]
3 years ago
8

I need help on this pleasee and please explain​

Mathematics
1 answer:
Sophie [7]3 years ago
3 0

Answer:

Undefined

Step-by-step explanation:

Use the formula y2-y1/x2-x1

3-9/-5-(-5)

-6/0

Any number with a denominator of 0 is undefined

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The graph below represents the linear equation y = one-half x minus 3. On a coordinate plane, a line goes through (0, negative 3
mamaluj [8]

Answer:

(C) (2, -2)

Step-by-step explanation:

Given the linear equation: y=\dfrac12x-3

A second linear equation is given by the table:

\left|\begin{array}{c|cccccc}x&-1&0&2&3\\y&1&0&-2&-3\end{array}\right|

Clearly, this is a graph of y=-x as each y-value is a negative of its x-value.

Therefore if:

y=\dfrac12x-3;$and $\\y=-x\\Then:\\\dfrac12x-3=-x\\\dfrac12x+x=3\\\dfrac32x=3\\3x=6\\x=2

Recall: y=-x

Therefore: y= -2

Therefore, a solution to the system of equations is (2, -2)

8 0
4 years ago
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vichka [17]
You need to show the line put. If you show the line plot i may be able to answer. But F.Y.I. you are going to probably using proportions or need to multiply the hours she jogs in one day by the 5 days. Hope this helps. 
8 0
4 years ago
See if you can solve for y<br><br> y-4=3
ELEN [110]

Answer:

And y = 7?

Step-by-step explanation:

6 0
3 years ago
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liraira [26]

Answer:

find gradient/slope

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(sub in the gradient before)

3(m2)= -1

m2= -1/3 ( perpendicular line gradient)

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(sub in the coordinate)

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3 years ago
7. y = 2x² + 3 function not function ?
jeyben [28]

Answer:

Function

Step-by-step explanation:

5 0
3 years ago
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