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aniked [119]
3 years ago
13

What is the equation of the line that passes through (-1, -7) and has a slope of 2?

Mathematics
1 answer:
Ket [755]3 years ago
7 0

Answer:

y=2x + 5 I think it should be

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Determine the range of the function.
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Answer:

Solution: f(x)\ge-5\\Interval:[-5,\infty)

Step-by-step explanation:

Equation: \frac{1}{4} x^2-5 = y

1). \frac{1}{4} x^2-5 = y →\frac{x^2}{4}-5=y

2). \frac{x^2}{4}-5=y ∴ a=\frac{1}{4}, b=0, c=-5

3). x_v=-\frac{b}{2a}

         =-\frac{0}{2(\frac{1}{4})}

         =0

4). now plug x_v into y_v

y_v=\frac{0^2}{4}-5

    =-5

5). Minimum (0,-5) ∴ f(x)\ge-5

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3 years ago
The world's smallest plane has a length of 12 feet and the world's longest plane has a length of 302 feet. Write an absolute val
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Answer:

| 157 +/- 145 |

Step-by-step explanation:

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290/2 = 145 absolute value range

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A police cruiser approaching a right-angled intersection from the south, is chasing a speeding car that has turned the corner an
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