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mina [271]
3 years ago
12

A line has a slope of 1/2 and a y intercept of -2what is the the x intercept of the line?​

Mathematics
1 answer:
sp2606 [1]3 years ago
5 0

Answer:

x-intercept = (4,0)

Step-by-step explanation:

Slope = 1/2

y-intercept = -2

x-intercept =?

Step 1 ; Use the given information to derive the equation of the line.

Substitute values into ; y=mx+b

Where m = slope

b = y-intercept

Equation = y =\frac{1}{2} x -2

Step 2 ; Calculate the x-intercept

Arrange the equation in standard form ; Ax +By  = C

-\frac{1}{2} x +y = -2

Let y = 0

-\frac{1}{2}x+0=-2\\ \\-\frac{1}{2}x = -2

Cross Multiply

-x\times 1 =-2\times 2\\\\-x = -4\\\\x =4\\\\(4,0)

So ; (4,-2)

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3 0
3 years ago
Is 4.92 repeating irrational or rational ?
Pavlova-9 [17]

Answer:

Irrational, since it doesn't have a definite value. (It's not like 3.75 or 5)

Hope that helps!

Step-by-step explanation:

8 0
3 years ago
Anyone want to help me out on this question?
kvasek [131]
Answer:

i think it’s 2/7
5 0
3 years ago
Need help. How do I do this
lara [203]

9514 1404 393

Answer:

  b

Step-by-step explanation:

Use the distance formula with the two points Q and P, then simplify and match the pattern of the answer.

  d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\d=\sqrt{(b-0)^2+(-c-(-a))^2}\\\\\boxed{d=\sqrt{b^2+(-c+a)^2}}

The value b goes in the green box.

6 0
3 years ago
What's -128+138r=718 equal
german

Answer:

r = 6 3/23

Step-by-step explanation:

-128+138r=718

add 128 to each side

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divide each side by 138

138r/138 = 846/138

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