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3 years ago

14

Can someone help please

2 answers:

Anna [14]3 years ago

8 0

B) 1/2 because it goes up, so positive.
1 goes up and 2 across

Andreas93 [3]3 years ago

4 0

Answer:

Option B

Step-by-step explanation:

Slope of a graph: $\frac{y}{x}=\frac{1}{2}$

y moves up by 1 unit and x moves right by 2 units

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What is the slope of the graph?

katovenus [111]

Answer:

The slope of the graph is 3/4

Step-by-step explanation:

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3 years ago

Read 2 more answers

Write the formula for the parabola that has x- intercepts (3,0) and (8,0), and y- intercept (0,−2)

alexira [117]

Answer: $x^2-5x=-12(y+2)$

Step-by-step explanation:

Given

Parabola has x-intercept has $(3,0)$ and $(8,0)$

and Y-intercept as $(0,-2)$

Now the general equation of parabola is

$y=ax^2+bx+c\quad \ldots(i)$

Substitute $(0,-2)$ in $(i)$ we get

$-2=c$

Now substitute $(3,0)$ in equation $(i)$

$0=a(3)^2+3b-2\quad \ldots(ii)$

Now substitute $(8,0)$ in equation $(i)$

$0=a(8)^2+8b-2\quad \ldots(iii)$

Solving $(ii)$ and $(iii)$ we get

$a=\frac{-1}{12}\ \text{and}\ b=\frac{5}{12}$

therefore

$y=\frac{-x^2}{12}+\frac{5x}{12}-2$

$12y=-x^2+5x-24$

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4 years ago

If m a is 45, then a is ?

dezoksy [38]

Then a is Half of 45 wich is 22.5 I believe.

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4 years ago

I don't know how to do it

Alex

Is it number 6 or 8 cause I'm little bit confused

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4 years ago

2x + y = 5<br> 4x + 2y = 0<br> Elimination

nordsb [41]

There is no solution

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3 years ago