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Recap: Algebra

Last updated about 3 years ago

4 questions

1

1

1

1

Question 1

1.

Solve using substitution. Show your work
x+2y = 5
x+y= 3

Video on substitution method

Question 2

2.

Solve the following using the elimination method
2x+3y=18
x+7y=9

Video on elimination method.

Question 3

3.

Expand the brackets
(2x+6)(3y-7)

Video on multiplying polynomials.

Question 4

4.

Solve the following quadratic equation

Video on splitting the middle term