Quiz about Plotting functions in RSA

Question 1

Which Mother function does this graph represent?

Accepted Answer

y = 1 / x

Answer

y = x2

Answer

y = x

Answer

y = bx

Question 2

What Mother function does this graph show?

Accepted Answer

y = x

Answer

y = 1 / x

Answer

y = x2

Answer

y = bx

Question 3

Which Mother function does this graph represent?

Accepted Answer

y = b^x

(b > 1)

Answer

y = 1 / x

Answer

y = b^x

(0 < b < 1)

Answer

y = x2

Question 4

Which Mother function does this graph represent?

Accepted Answer

y = b^x

(0 < b < 1)

Answer

y = 1 / x

Answer

y = x2

Answer

y = b^x

(b > 1)

Question 5

Which Mother function does this graph represent?

Accepted Answer

y = x2

Answer

y = 1 / x

Answer

y = b^x

(0 < b < 1)

Answer

y = b^x

(b > 1)

Question 6

What is the equation for this graph?

Accepted Answer

$$y\ =\ -\ 2x^2\ +\ 8$$

Answer

$$y\ =\ \ 2x^2\ +\ 8$$

Answer

$$y\ =\ -\ 2x^2\ +\ 9$$

Answer

$$y\ =\ -\ 4x^2\ +\ 8$$

Question 7

What is the equation for this graph?

Accepted Answer

$$y\ =\ \left(x\ -\ 2\right)^2$$

Answer

$$y\ =\ \left(x\ +\ 2\right)^2$$

Answer

$$y\ =\ x^2\ -\ 2$$

Answer

$$y\ =\ 2x^2$$

Question 8

What is the equation for this graph?

Accepted Answer

$$y\ =\ \frac{-6}{x\ +\ 2}$$

Answer

$$y\ =\ \frac{6}{x\ +\ 2}$$

Answer

$$y\ =\ \frac{-6}{x\ -\ 2}$$

Answer

$$y\ =\ \frac{-6}{x\ }\ +\ 2$$

Question 9

Pick the correct equations for the blue, black and red curves.

Accepted Answer

Blue: (0.5)^x

Black: 5^x

Red: 2^x

Answer

Blue: (-1)^x

Black: 5^x

Red: 2^x

Answer

Blue: -(0.5)^x

Black: 2^x

Red: 4^x

Answer

Blue: -1/x

Black: 5/x

Red: 2/x

Question 10

Pick the correct matching equations for the red, blue and purple graphs.

Accepted Answer

Red: x² - 2

Blue: -x² + 3

Purple: 0.1 x² + 1

Answer

Red: x² + 2

Blue: -x² - 3

Purple: 0.1 x² - 1

Answer

Red: 2x²

Blue: -x²

Purple: 0.1 x²

Answer

Red: 2/x - 2

Blue: -3/x + 3

Purple: 1/x + 1

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