Common Core HSA.REI.C.5 worksheet
High school · 16 questions · Common Core: HSA.REI.C.5, HSA.REI.C.6 · England: GCSE Foundation Algebra, GCSE Higher Algebra
Name
Date
Score/ 16
Question 1
Which first move eliminates y straight away? 4x + y = −1 5x − y = 8
- A. Add the equations
- B. Subtract the equations
- C. Multiply one equation first
Question 2
Solve: 3x + 5y = −11 3x − 5y = −1 Type the solution like (2, −1).
Answer
Question 3
Solve: 6x − 2y = −20 2x − 4y = −10 Type the solution like (2, −1).
Answer
Question 4
Solve: 3x + 6y = −18 5x − 4y = −16 Type the solution like (2, −1).
Answer
Question 5
Solve: 3x + y = 19 2x − y = 11 Type the solution like (2, −1).
Answer
Question 6
Which first move eliminates y straight away? 4x + 4y = 6 2x − 4y = 7
- A. Add the equations
- B. Subtract the equations
- C. Multiply one equation first
Question 7
Solve: 2x − 3y = 20 2x + 5y = −12 Type the solution like (2, −1).
Answer
Question 8
Solve: 4x + 3y = −20 3x + 5y = −15 Type the solution like (2, −1).
Answer
Question 9
Solve: x − 2y = −10 −x − 6y = −30 Type the solution like (2, −1).
Answer
Question 10
Solve: −3x + 3y = 27 −2x − 3y = −12 Type the solution like (2, −1).
Answer
Question 11
Which first move eliminates y straight away? 3x + 3y = −1 5x + 3y = 0
- A. Add the equations
- B. Subtract the equations
- C. Multiply one equation first
Question 12
Solve: x − 3y = 16 x + 3y = −14 Type the solution like (2, −1).
Answer
Question 13
Solve: 6x + 2y = −28 3x − 3y = −6 Type the solution like (2, −1).
Answer
Question 14
Solve: x − 4y = 5 −x − 8y = 19 Type the solution like (2, −1).
Answer
Question 15
Solve: 3x + 5y = 48 3x − 5y = −12 Type the solution like (2, −1).
Answer
Question 16
Which first move eliminates y straight away? 3x + y = 3 x − y = 6
- A. Add the equations
- B. Subtract the equations
- C. Multiply one equation first
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