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c) Complete this equation x2 - 9 = (.?. ...--:. . . . . .
121
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3. Simplifythe following
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3
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35 x 3x = 311
Find the value of k
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b) Round Z 09 to 3 significant figures
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c) Write this 8710 in standard form
5. The area of a rectangle is given as x2 + 7x + 12. If the length is given by(x + 4 ), find the
expression for the width.
Area = x2 + 7x + 12
(x + 4)cm
(ff)
Widthc
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7. The perimeter of this triangle is 24 cm.
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12 x6
- 3x
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Question 9 is for set 1 and 2 pupils
x2-9
9. Simplify
2x+6
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