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2 years ago

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Enter the slope-intercept equation of the line shown below.

1 answer:

olga55 [171]2 years ago

4 0

I'm not an expert, but from what I remember, the y-intercept is where the line passes the y-axis, so in this case, it would be 4. In order to get to the next point, you would have to go down 4 points and left 2, which would be 4/2 = 2/1 = 2. Take my answer with a grain of salt, but I think it would be y = 2x + 4. There doesn't seem to be a graph with squares, so I can't be absolutely certain.

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Read 2 more answers

Jonah is going to the store to buy candles. Small candles cost $2.50 and large candles cost $7.00. He needs to buy at least 20 c

artcher [175]

<em><u>The system of linear inequalities are:</u></em>

$a + b \geq 20\\\\2.50a + 7b\leq 80$

<em><u>Solution:</u></em>

Let "a" be the number of small candles bought

Let "b" be the number of large candles bought

<em><u>He needs to buy at least 20 candles</u></em>

Therefore, number of small candles and number of large candles bought must be at least 20

Thus, we frame a inequality as:

$a + b \geq 20$

"at least" means greater than or equal to

Here, we used "greater or equal to" symbol because, he can buy 20 candles or more than 20 candles also

From given,

Cost of 1 small candle = $ 2.50

Cost of 1 large candle = $ 7

<em><u>He can spend no more than 80 dollars</u></em>

Which means, he spend maximum 80 dollars or less than 80 dollars also

So we have to use "less than or equal to" symbol

<em><u>Thus, we frame a inequality as:</u></em>

Number of small candles bought x Cost of 1 small candle + number of large candles bought x Cost of 1 large candle $\leq$ 80

$a \times 2.50 + b \times 7 \leq 80\\\\2.50a + 7b\leq 80$

<em><u>Thus the system of linear inequalities are:</u></em>

$a + b \geq 20\\\\2.50a + 7b\leq 80$

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