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ikadub [295]
2 years ago
10

I really need help with this, so please respond as soon a possible​

Mathematics
2 answers:
nexus9112 [7]2 years ago
8 0

Answer:

2x-3

Step-by-step explanation:

Rise over Run 2/1 =2x and the y Intercept is -3

marishachu [46]2 years ago
3 0

Answer:

Step-by-step explanation:

The graph is a straight line graph. The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = intercept

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis

change in the value of y = y2 - y1

Change in value of x = x2 -x1

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

From the graph,

y2 = - 5

y1 = 1

x 2 = 1

x1 = -2

Slope = (- 5 -1)/(1 - -2) = -6/3 = -2

m = -2

The equation becomes

y = -2x + c

We need to determine c. Let us use (1,-5)

-5 = -2 ×1 + c

-5 = -2 + c

c = -5 + 2 = -3

The equation is

y = -2x -3

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All most done thanks for hanging in there
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Well, looking at the graph, notice, its vertex is at 0,9, and it passes through the points -3,0 and 3,0, so hmm let's use 3,0, to get the equation of f(x)

\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
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\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------

\bf vertex~(0,9)~
\begin{cases}
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\textit{we also know that }
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\\\\\\
-9=9a\implies \cfrac{-9}{9}=a\implies -1=a\quad thus\quad \boxed{y=-x^2+9}
\\\\\\
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Step-by-step explanation:

A and B form a right angle

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answers

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second statement is False

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