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Simultaneous Equations: Quiz 3 - Answers
1) x = -2.4 to -2.2, y = -1.7 to -1.5
x = 1.2 to 1.4, y = 5.5 to 5.7
2) x = 0.2 to 0.4, y = 1 to 1.2
x = 1.6 to 1.8, y = -3.2 to -3
3) x = -2.2 to -2, y = 0.8 to 1
x = -0.5 to 0.3, y = 1.7 to 1.9
x = 2.4 to 2.6, y = 3.2 to 3.4
Simultaneous Equations: Quiz 3 - Answers
1) x = -2.4 to -2.2, y = -1.7 to -1.5
x = 1.2 to 1.4, y = 5.5 to 5.7
2) x = 0.2 to 0.4, y = 1 to 1.2
x = 1.6 to 1.8, y = -3.2 to -3
3) x = -2.2 to -2, y = 0.8 to 1
x = -0.5 to 0.3, y = 1.7 to 1.9
x = 2.4 to 2.6, y = 3.2 to 3.4
Working
Questions
Solve the simultaneous equations by using the graphical method. Give your answers to 1 decimal place. You may use a calculator. Click here for a printable version of the graphs for the questions in this quiz.
Solve the simultaneous equations by using the graphical method. Give your answers to 1 decimal place. You may use a calculator. Click here for a printable version of the graphs for the questions in this quiz.
1) y = x2 + 3x
y = 2x + 3
2) y = 2x2 – 7x + 3
y = -3x + 2
3) y = x3 – 5x
y = ½ x + 2
