3 years ago

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.

Naya [18.7K]

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

inessss [21]

Answer:

| 157 +/- 145 |

Step-by-step explanation:

302-12 = 290 total range

290/2 = 145 absolute value range

| 157 +/- 145 |

The two answers to that are 12 and 301

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3 years ago

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

vlada-n [284]

Three hours is the answer I think

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F - 3/4=5/6. Please answer soon thanks

ad-work [718]

F - 3/4 = 5/6
Add 3/4 to both sides to get
F = 5/6 + 3/4 = 19/12

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3 years ago

Help me below so i dont fail please

andreyandreev [35.5K]

Your good its 80 one way you can always tell if its a triangle is if all the angles add up to 180

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