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shutvik [7]
4 years ago
6

Y=8x-4 find y and x intercept

Mathematics
1 answer:
dlinn [17]4 years ago
5 0

Answer:

<h3>The x intercept is 1/2</h3><h3>The y intercept is - 4</h3>

Step-by-step explanation:

y = 8x - 4

First to find the y intercept let x = 0

Substitute the value of x into the equation

That's

y = 8(0) - 4

y = - 4

<h3>The y intercept is - 4</h3>

To find the x intercept let y = 0

Substitute the value of y into the equation

that's

8x - 4 = 0

8x = 4

Divide both sides by 8

x = 1/2

<h3>The x intercept is 1/2</h3>

Hope this helps you

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<u>Answer:</u>

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<u>Step-by-step explanation:</u>

To solve this problem, we have to construct two separate equations for each family, and then use any of the methods for solving simultaneous equations.

Let's consider <em>h </em>to represent the cost of 1 hot dog, and <em>w </em>to mean the cost of 1 water bottle.

• For the first family:

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Since we have previously obtained an expression for <em>w</em> in terms of <em>h</em>, we can substitute that expression for <em>w</em> in the above equation, and then solve for <em>h</em>:

⇒ 4h + 2(\frac{18 - 2h}{3}) = 28

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⇒ 8h + 36 = 84

⇒ 8h = 48

⇒ h = \bf 6

∴ The price of one hot dog is $6.00.

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