Algebra

Question 1

4a =

Answer 1

a + a + a + a

Question 2

7x =

Answer 2

7 × x

Question 3

ax =

Answer 3

a X x

Question 4

You can multiply different variables but what can you not do?

Answer 4

You cannot add them

Question 5

Coefficient =

Answer 5

Number infront of the variable

Question 6

Variable =

Answer 6

Letter behind the coefficient

Eg. 2y
2= coefficient
Y= variable

Question 7

3 x 2y =

Answer 7

3 x 2 x y = 6y

Question 8

5b x 7x x 2c =

Answer 8

5 x 7 x 2 x b x X x c = 70bcx

Question 9

X + X =
Y x Y =

Answer 9

2x
Y²

Question 10

n³ x n³

Answer 10

N⁶

Question 11

4a² x a⁵ =

Answer 11

4a⁷

Question 12

(X - 4)(3x +6) =

Answer 12

Do boxes to get answers

3x² - 12x + 6x - 24
3x² - 6x - 24

Question 13

Substitution rule

Answer 13

When you sub in, Always put brackets around the replacement

Question 14

If x = -2
What is x + 5

Answer 14

(-2) + 5 = 3

Question 15

6x + 2 = 14

Answer 15

6x + 2(-2) = 14(-2)

(÷6)6x = 12(÷6)

X= 2