Solve a linear system by scaling equations before eliminating
9th grade (Year 10 in England) · 16 questions · Common Core: HSA.REI.C.5, HSA.REI.C.6 · England: GCSE Higher Algebra
Name
Date
Score/ 16
Question 1
Solve: 3x − 4y = −32 −5x − 8y = −20 Type the solution like (2, −1).
Answer
Question 2
Solve: 2x − 4y = −6 6x − 3y = 9 Type the solution like (2, −1).
Answer
Question 3
Solve: 2x + y = 2 −2x + 2y = −2 Type the solution like (2, −1).
Answer
Question 4
Solve: 6x + 6y = −30 3x + 5y = −21 Type the solution like (2, −1).
Answer
Question 5
Solve: 3x − y = −9 x − 2y = 2 Type the solution like (2, −1).
Answer
Question 6
Solve: 3x − 4y = −8 5x − 3y = 5 Type the solution like (2, −1).
Answer
Question 7
Solve: 3x + y = −12 3x + 3y = −18 Type the solution like (2, −1).
Answer
Question 8
Solve: 6x + 2y = 14 2x − 4y = 28 Type the solution like (2, −1).
Answer
Question 9
Solve: 2x − 4y = 26 −4x − 8y = 28 Type the solution like (2, −1).
Answer
Question 10
Solve: 4x + 3y = 28 2x − 4y = −8 Type the solution like (2, −1).
Answer
Question 11
Solve: 2x − 2y = −4 −3x − 4y = −15 Type the solution like (2, −1).
Answer
Question 12
Solve: 4x − 3y = −19 2x + 2y = −6 Type the solution like (2, −1).
Answer
Question 13
Solve: 3x − 2y = −8 4x − 4y = −16 Type the solution like (2, −1).
Answer
Question 14
Solve: 2x − 6y = 28 5x − 3y = 10 Type the solution like (2, −1).
Answer
Question 15
Solve: 3x − y = −12 −5x − 3y = 34 Type the solution like (2, −1).
Answer
Question 16
Solve: 2x + 2y = 4 6x + 3y = 12 Type the solution like (2, −1).
Answer
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