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2 years ago

I have to plot,, y=5x-0 on this graph! can someone help?

Mathematics

1 answer:

Darina [25.2K]2 years ago

3 0

Answer:

Start from (0,0) and go up 10 for every 1 over

Step-by-step explanation:

You can disregard the 0 since it does virtually nothing, which means your y-intercept is at (0,0)

if that sounds confusing then just plug in the numbers on the bottom axis for x and they will give you the y values

for example when x is 10 (bottom axis), you would do y=5(10) so y= 50, so then you would have a point at (10,50)

and then since its a linear equation, its just a straight line so you can connect (0,0) to (10,50) and yay you have a line (since y=5(0) gives y=0)

lmk if I'm not making any sense

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Question in picture solve

dimulka [17.4K]

Answer:

x= 13.5

Step-by-step explanation:

f(x) = 2x + 9

f(x) = 36

Set the 2 equations equal to each other;

2x + 9 = 36

Subtract 9 from both sides;

2x = 27

Divide both sides by 2;

x = 13.5

<em>Check:</em>

f(x) = 2x + 9

f(13.5) = 2(13.5) + 9= 27 + 9 = 36

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(Make sure to set f(x) to zero)

So for this equation, I will be factoring by grouping. Firstly, what two terms have a product of -5x^2 and a sum of 4x? That would be 5x and -x. Replace 4x with 5x - x: $0=5x^2+5x-x-1$

Next, factor 5x^2 + 5x and -x - 1 separately. Make sure that they have the same quantity on the inside: $0=5x(x+1)-1(x+1)$

Now you can rewrite the equation as: $0=(5x-1)(x+1)$

Now apply zero product property to the factors to solve for x:

$5x-1=0\\5x=1\\x=\frac{1}{5}\\\\x+1=0\\x=-1$

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Answer:

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Step-by-step explanation:

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