Quiz about Denisse Montem Algebraic Rules

Question 1

A point is located at (7,-9) and is reflected across the y-axis. Which algebraic representation shows this transformation?

Accepted Answer

$$\left(x,y\right)\rightarrow\left(-x,y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(x,-y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(-x,-y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(y,-x\right)$$

Question 2

The triangle was reflected across the y-axis. Which algebraic representation best describes this transformation?

Accepted Answer

$$\left(x,y\right)\rightarrow\left(-x,y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(y,-x\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(x,-y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(-x,-y\right)$$

Question 3

A coordinate is located at (-7,-8) and is reflected across the x-axis. Which algebraic representation best represents this transformation?

Accepted Answer

$$\left(x,y\right)\rightarrow\left(x,-y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(-x,y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(y,-x\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(-y,x\right)$$

Question 4

The triangle was reflected across the x-axis. Which algebraic representation best describes this transformation?

Accepted Answer

$$\left(x,y\right)\rightarrow\left(x,-y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(y,-x\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(-x,-y\right)$$

Answer

$$\left(x,y\right)\rightarrow\left(-x,y\right)$$

Question 5

What is the algebraic expression for "the sum of n and 9"?

Accepted Answer

n + 9

Answer

n - 9

Answer

n/9

Answer

9n

Question 6

What best represents "five times a number?"

Accepted Answer

5n

Answer

v + 5

Answer

y - 5

Answer

x/5

Question 7

Which algebraic expression correctly represents the sum of 6 and n?

Accepted Answer

6 + n

Answer

n - 6

Answer

6n

Answer

$$\frac{6}{n}$$

Question 8

Which of the following best describes the algebraic expression 3(x - 5)?

Accepted Answer

Three times the quantity of a number minus five

Answer

Three times a number minus five

Answer

Three times the quantity of a number plus five

Answer

Three times a number plus five

Question 9

What is the algebraic expression for a number increased by 34?

Accepted Answer

x + 34

Answer

x - 34

Answer

34 - x

Answer

34x

Question 10

6 (x + y + 7)

Accepted Answer

6x + 6y + 42

Answer

12xy + 42

Answer

6x + 6y + 7

Answer

6x6y + 42

Question 11

What is an example of the algebraic rule for a TRANSLATION?

Accepted Answer

(x+3, y-2)

Answer

(3x, 3y)

Answer

(x, -y)

Answer

(y, -x)

Question 12

Which algrebraic rule shows a REFLECTION across the x-axis?

Accepted Answer

(x, -y)

Answer

(-x, y)

Answer

(4x, 4y)

Answer

(y, -x)

Question 13

Which algrebraic rule shows a REFLECTION across the y-axis?

Accepted Answer

(-x, y)

Answer

(x+9, y+3)

Answer

(7x, 10y)

Answer

(y, -x)

Question 14

Which is the algebraic rule for a 180 degree rotation?

Accepted Answer

(-x, -y)

Answer

(-y, x)

Answer

(x -2, y-4)

Answer

(5x, 5y)

Question 15

What is the algebraic rule?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 16

Which algebraic rule will produce a translation that is 5 units to the right?

Accepted Answer

(x, y) --> ( x+5 , y)

Answer

(x, y) --> ( x , y + 5)

Answer

(x, y) --> ( x-5 , y + 5)

Answer

(x, y) --> ( x-2 , y + 5)

Question 17

Determine how to translate triangle ABC to triangle A'B'C' using the algebraic rule.

Accepted Answer

(x, y) --> (x - 2, y + 9)

Answer

(x, y) --> (x + 2, y - 5)

Answer

(x, y) --> (x + 2, y - 9)

Answer

(x, y) --> (x - 2, y - 9)

Question 18

Which of the following algebraic rules represents a dilation? Select all that apply.

Accepted Answer

(x, y) --> (0.5x, 0.5y)

Accepted Answer

(x, y) --> (3x, 3y)

Answer

(x, y) --> (3x, 2y)

Answer

(x, y) --> (x - 3, y + 5)

Answer

(x, y) --> (3x, 0.5y)

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