NBT Algebra and Functions

Question 1

Solve for x: 3x + 7 = 22

Accepted Answer

x = 5

Answer

x = 3

Answer

x = 7

Answer

x = 4

Question 2

What is the value of f(3) if f(x) = 2x² - 4x + 1?

Accepted Answer

7

Answer

5

Answer

10

Answer

13

Question 3

Which of the following represents a linear function?

Accepted Answer

y = 4x - 2

Answer

y = x² + 3

Answer

y = 1/x

Answer

y = √x

Question 4

If 2(x - 3) + 5 = 3(x + 1), what is x?

Accepted Answer

-4

Answer

2

Answer

-2

Answer

4

Question 5

What is the gradient (slope) of the line 3y - 6x = 12?

Accepted Answer

2

Answer

-6

Answer

4

Answer

-2

Question 6

Factorise completely: x² - 9

Accepted Answer

(x + 3)(x - 3)

Answer

(x - 3)(x - 3)

Answer

(x + 9)(x - 1)

Answer

(x - 9)(x + 1)