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sukhopar [10]
3 years ago
6

What's the value of c that makes 9x^2 + 12x + c a perfect square trinomial.

Mathematics
1 answer:
seraphim [82]3 years ago
4 0
The value of c that makes up a perfect square trinomial is


9x^2 - 12x +c
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The bakery used 29 pounds of butter on Tuesday, 53 pounds of butter on
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Alessia uses her bank card to buy lunch 3 times. Each time she buys lunch, it costs $12.50. She then deposits $30 in her bank ac
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How do u do this.I need major help on it
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Look for what 'y' is when t = 1 and t = 2. Go to the graph, look at 1 on the bottom axis and go up till you find the point, then go all the way to the left to see what the y-value is, in this case it should be 1200. If you do the same with t = 2, you will get 2400. So our two ordered pairs are:

(1, 1200), (2, 2400)

We can find the slope of these two points by plugging them into the slope formula:

\sf m=\dfrac{y_2-y_1}{x_2-x_1}

For points in the form of (x1, y1), (x2, y2). Plug in what we know:

\sf m=\dfrac{2400-1200}{2-1}

Subtract:

\sf m=\dfrac{1200}{1}

Divide:

\sf m=1200

This is the slope, so we can write the equation:

\boxed{\sf y=1200t}
4 0
3 years ago
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