Simultaneous Equations (AQA GCSE Further Maths)

Exam Questions

1 hour13 questions
1
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4 marks

Solve the simultaneous equations

table row cell x plus z end cell equals 5 row cell y plus z end cell equals 2 row cell x plus y end cell equals 1 end table

Do not use trial and improvement.

You must show your working.

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2
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4 marks

3 a left parenthesis 2 x – 1 right parenthesis plus 4 left parenthesis a x plus 5 right parenthesis identical to 60 x plus b

Work out the values of a and b.

a equals.........................., b equals..........................

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3
Sme Calculator
4 marks

Solve the simultaneous equations

table row cell x minus y end cell equals 3 row cell 2 x plus y end cell equals 9 row cell 2 x plus y plus z end cell equals 1 end table

Do not use trial and improvement.

You must show your working.

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4
Sme Calculator
5 marks

Solve the simultaneous equations

table row cell y minus 2 x end cell equals 15 row y equals cell x squared plus 4 x end cell end table

Do not use trial and improvement.

You must show your working.

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5
Sme Calculator
6 marks

Solve the simultaneous equations

table row x equals cell 2 y minus 5 end cell row cell x squared plus y squared end cell equals 25 end table

Do not use trial and improvement.

You must show your working.

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1
Sme Calculator
5 marks

Solve the simultaneous equations

table row cell 2 a plus b – c end cell equals 8 row cell 4 a – 3 b – 2 c end cell equals cell – 9 end cell row cell 6 a plus 3 b plus c end cell equals 0 end table

         a equals................, b equals................, c equals................  

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2
Sme Calculator
5 marks

Solve the simultaneous equations.

table row cell 4 a – b plus 3 c end cell equals 27 row cell 3 a plus 2 b – c end cell equals 5 row cell 2 a – 5 c end cell equals cell – 7 end cell end table

Do not use trial and improvement.

You must show your working.

a equals................. comma space b equals................. comma space c equals.................

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3
Sme Calculator
6 marks

Solve the simultaneous equations

x y equals 2 and y equals 3 x plus 5

Do not use trial and improvement.

You must show your working.

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4
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6 marks

Solve the simultaneous equations

table row cell 2 x minus y plus 3 end cell equals 0 row cell x squared minus 3 x y plus y squared end cell equals 11 end table

Do not use trial and improvement.

You must show your working.

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5
Sme Calculator
5 marks

Find, to 2 decimal places, the coordinates of the two points of intersection between the line y equals x plus 1 and the curve y equals x squared.

Do not use trial and improvement.

You must show your working.

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1
Sme Calculator
6 marks

Two bags of apples plus one bag of carrots cost £9 more than two bags of bananas.

One bag of apples plus two bags of bananas plus two bags of carrots cost £12.

Two bags of apples plus one bag of bananas cost £3 more than two bags of carrots.

By forming and solving simultaneous equations, work out the individual costs of a bag of apples, a bag of bananas and a bag of carrots.

Do not use trial and improvement.

You must show your working.

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2
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6 marks

Solve the simultaneous equations

table row cell y minus x end cell equals 2 row cell 1 over x plus 1 over y end cell equals 1 end table

giving your answers in an exact form.

Do not use trial and improvement.

You must show your working.

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3
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6 marks

x squared plus y squared minus 4 x minus 4 y plus 7 equals 0 is the equation of a circle.

3 y minus 4 x equals 3 is the equation of a straight line.

Use algebra to show that the straight line is a tangent to the circle at a point, P, whose coordinates you should find.

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