PAT Algebraic Thinking 3

Question 1

Which graph shape would represent the equation y = x + 3?

Accepted Answer

A straight line with positive slope

Answer

A curved parabola

Answer

A horizontal line

Answer

A curved exponential curve

Question 2

Two consecutive even numbers have a sum of 54. What are the numbers?

Accepted Answer

26 and 28

Answer

24 and 26

Answer

22 and 24

Answer

28 and 30

Question 3

What is the value of the expression 2m² when m = 3?

Accepted Answer

18

Answer

12

Answer

36

Answer

9

Question 4

A function machine multiplies the input by 4 and then subtracts 3. What output does an input of 7 produce?

Accepted Answer

25

Answer

24

Answer

28

Answer

31

Question 5

Which of these is an algebraic expression (not an equation)?

Accepted Answer

4n − 7

Answer

3x + 5 = 14

Answer

y = 2x

Answer

x + 3 = x + 3

Question 6

If the perimeter of a square is given by 4s, what is the side length when the perimeter is 36 units?

Accepted Answer

9

Answer

6

Answer

8

Answer

12

Question 7

Which ordered pair is a solution to the equation y = 2x − 1?

Accepted Answer

(4, 7)

Answer

(2, 4)

Answer

(3, 5)

Answer

(1, 3)