3 years ago

HI PLZ HELPI NEED AN ANSWER!! (And will mark brainliest if a legit answer thanks)

Mathematics

1 answer:

trapecia [35]3 years ago

6 0

Option 3: a 90 degree rotation clockwise

You can tell that it is 90 degrees because the original started completely in quadrant 2 and the final image is completely in quadrant 1. If it was only rotated 45 degrees the final image would be part in quadrant 2 and part in quadrant 1. It was rotated clockwise because that is the way a clock goes.

Hope this helps! ;)

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The equation of the parabola whose focus is at (7 0) and directrix at y=-7 is

bija089 [108]

The equation of the parabola whose focus is at (7, 0) and directrix at y = -7 is
(x-7)^2 = 14(y + 7/2)

Hope this helps

5 0

3 years ago

What is the slope of the line that passes through the points (-2, -1) and (2, -3)?

Lady bird [3.3K]

Answer:

$m=\frac{-1}{2}$

Step-by-step explanation:

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>:

$m=\frac{-3-(-1)}{2-(-2)}$

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3 0

3 years ago

Plz help!

GuDViN [60]

Answer:

5x - y = 27

Step-by-step explanation:

Slope is the direction of line and it is calculated as,

$Slope = \frac{y-y_{1}}{x-x_{1}}
$

where (x₁, y₁) is any two points on the line.

Here, we have given that

Slope = 5 and (x₁, y₁) = (5, -2)

∴ $5 = \frac{y-(-2)}{x-5}
$

⇒ 5(x - 5) = y + 2

⇒ 5x - 25 = y + 2

⇒ 5x - y = 27

Hence, the equation of a line is: 5x - y = 27

5 0

3 years ago

How many solutions does the system have?

serious [3.7K]

The system has two solutions.

You can tell because the second equation is a quadratic and the first is a line, so the line passes through the quadratic twice.

8 0

3 years ago

Susan wants to divide 2 hours of computer time equally among 10 students. What fraction of an hour of computer time will each st

Andreas93 [3]

2 hours of computer time divide by 10 students:

2/10 = 1/5

7 0

2 years ago