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Gwar [14]
3 years ago
8

Find an equation for the line that passes through (-4, 8) and (3, -7). What is the slope? Where does the line intersect the x-ax

is and the y-axis?
Mathematics
1 answer:
Svetllana [295]3 years ago
5 0
The equation of the line is : 7y +15x = -4
the slope is m= -15/7
intersect with x at (-4/15 ,0)
intersect with y at (0, -4/7)
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Evaluate g(n-7) if g(x) =x^2-5 / 3x
aleksandrvk [35]

Answer:

g(n-7)=\frac{n^2-14n+44}{3n-21}

Step-by-step explanation:

The given function is

g(x)=\frac{x^2-5}{3x}

To find g(n-7), we substitute x=n-7 to obtain;

g(n-7)=\frac{(n-7)^2-5}{3(n-7)}

Expand the parenthesis to obtain;

g(n-7)=\frac{n^2-14n+49-5}{3n-21}

Simplify:

g(n-7)=\frac{n^2-14n+44}{3n-21}

7 0
3 years ago
What is the function of this graph?
Lesechka [4]

Answer:

x=y^2-2

Step-by-step explanation:

This graph, is a parabola that opens to the right.

To answer this question, we just use the vertex form of a sideways parabola- x=a(y-k)^2+h.

In this case, the vertex is (-2, 0), and our value of a is 1, since it opens to the right.

This gives us: x=1(y-0)^2+(-2)

Which simplifies to: x=y^2-2.

Also, the answer to the previous two questions are wrong.

The D value (Domain) is actually [2, ∞)

The R value (Range) is actually "All real numbers" (-∞, ∞)

Let me know if this helps!

3 0
2 years ago
It's question B as I've done A please help
Hatshy [7]
Its easy.use cos rule.
4 0
3 years ago
Fine the equation of the line: slope = -2 y-intercept= 5
soldi70 [24.7K]
Using the y=mx+b format
M= slope
B= y-intercept
All you need to do, since both m and b are given us to plug them in! You should commit “y=mx+b” to memory, it’ll help you a ton!
y = -2x+5
3 0
2 years ago
if you make $300 and you spend $237 and then you make $40 more and spend $60 how much money do you have left?
AleksandrR [38]
The answer would be $43.
Hope this helps:)
8 0
3 years ago
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