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3 years ago

What combination of transformations is shown below?

Mathematics

1 answer:

scoray [572]3 years ago

7 0

Answer:

Correct answer is <em>"reflection, then rotation".</em>

Step-by-step explanation:

The figure shows the following two operations:

1) Reflection through central horizontal line. ( $1 \to 2$ )

2) Rotation with center at the upper left corner of the reflected figure. ( $2 \to 3$ )

Therefore, correct answer is <em>"reflection, then rotation".</em>

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charle [14.2K]

Answer:

15 units

Step-by-step explanation:

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3 years ago

1. Sally said that when you add or subtract positive or negative decimals, you can change the order of the decimals and still ge

siniylev [52]

Always true because addition and subtraction is commutative
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Hope this helped :)

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3 years ago

Which is the value of 3b2−b3b2-b when b = 5?

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What's the equation exactly?

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3 years ago

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What is the slope of the line that passes through the points (-3,1) and (7,-14)

Katyanochek1 [597]

Answer:

$- \frac{3}{2}$

Step-by-step explanation:

$\boxed{gradient = \frac{y1 - y2}{x1 - x2} }$

Using the formula above,

slope of line

$= \frac{1 - ( - 14)}{ - 3 - 7} \\ = \frac{1 + 14}{ - 10} \\ = \frac{15}{ - 10} \\ = - \frac{3}{2}$

5 0

3 years ago

Solve the equation. And write all solutions in general form.

Amiraneli [1.4K]

Answer:

x = pi/2 + 2 pi n x = pi + 2 pi n where n is an integer

x = 5pi /3 + 2 pi n

Step-by-step explanation:

8 cos^2 x + 4 cos x-4 = 0

Divide by 4

2 cos^2 x + cos x-1 = 0

Let u = cos x

2 u^2 +u -1 =0

Factor

(2u -1) ( u+1) = 0

Using the zero product property

2u-1 =0 u+1 =0

u = 1/2 u = -1

Substitute cosx for u

cos x = 1/2 cos x = -1

Take the inverse cos on each side

cos ^-1(cos x) = cos ^-1(1/2) cos ^-1( cos x) =cos ^-1( -1)

x = pi/2 + 2 pi n x = pi + 2 pi n where n is an integer

x = 5pi /3 + 2 pi n

8 0

3 years ago