Unit 2 Lesson 7: Exercise 2
Solve each of the following quadratic equations using factorisation:
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Question 1 of 101. Question
1) 5x2 – 125 = 0
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x = ±
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Question 2 of 102. Question
2) (x – 7) ( x + 3) = 0
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x = and
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Question 3 of 103. Question
3) x2 – 5x + 6 = 0
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x = and
CorrectIncorrect -
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Question 4 of 104. Question
4) x(x + 5) = 0
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x = and
CorrectIncorrect -
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Question 5 of 105. Question
5) x2 + 3x – 10 = 0
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x = and
CorrectIncorrect -
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Question 6 of 106. Question
6) x2 + 6x + 9 = 0
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x =
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Question 7 of 107. Question
7) 8x2 – 11x – 35 = 0
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x = and ans. to 2 d.p
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Question 8 of 108. Question
8) 9x2 + 30x + 25 = 0
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x = ans. to 2.d.p
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Question 9 of 109. Question
9) x2 – 4x = 0
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x = and
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Question 10 of 1010. Question
10) 4x2 – 12x + 9 = 0
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x = ans to 1 d.p
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