7. Jenny is saving to buy a laptop worth $960. Her parents promise to match every $3 saved

1 answer:

8 0

First off, if you divide $960/$8, you will get 120 “sets” of payment. Multiply this value by the amount of money Jenny is responsible for paying and the amount her parents are responsible for paying to find their total contributions.

a. Jenny will have to pay $600

b. Jenny’s parents will contribute $360 to her new laptop.

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Write an equation of a line that has a y-intercept at (0, -6)

galben [10]

Answer:

$y=x-6$

Step-by-step explanation:

First to write this equation you will need to know <em>slope intercept form</em> which is the equation that the people that wrote this problem are presumably looking for. Slope intercept form can be simply written as $y=mx+b$ . The variable $m$ would be the slope while the variable $b$ would be the y -intercept.

So to find out this we would have to assume that m or the slope would have to be 1 so we would have $y=1x+b$ or $y=x+b$ .

Now we have the first half of the equation we can move on to the variable $b$ or the y-intercept (0,-6) . To find the variable $b$ we will just have to graph the point (0,-6) which as you can see from the picture is the y-intercept and that is -6 units below 0. So the final answer will be $y=x-6$