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Question 1 of 10
1. Question
If the gradient of \(\left( {8,a} \right)\) and \(\left( {-1,3} \right)\) is \(2 \), find the value of \(a \).
\(a = \)
Correct
Incorrect
Question 2 of 10
2. Question
The perpendicular bisector of \(\left( {1,2} \right)\) and \(\left( {3,7} \right)\) is \(4x + 10y + A = 0\).
\(A = \)
Correct
Incorrect
Question 3 of 10
3. Question
Given four angles \( 4x+30, 2x+40, 2x+40 \) and \( 2x-20 \) are in a quadrilateral, find \( x \).
\( x = \) \( ^\circ \)
Correct
Incorrect
Question 4 of 10
4. Question
Simplify 1.1 m – 4.2 cm + 12 mm in millimeters, correcting to one significant figure.
Correct
Incorrect
Question 5 of 10
5. Question
The perpendicular sides of the right-angled triangle have lengths in the ratio 5 : 12. Find the largest length of the sides if its perimeter is 450 cm.
Correct
Incorrect
Question 6 of 10
6. Question
Find the area of the sector, correcting to two significant figures.
Correct
Incorrect
Hint
\(\text{Area of a sector } = \pi {r^2} \times \dfrac{\theta }{{360^\circ }}\)
Question 7 of 10
7. Question
Find the equation of the graph in red given \(y = \sin x\) is drawn in black.
Correct
Incorrect
Question 8 of 10
8. Question
Find \(\theta \), correcting to the nearest degree, if the area of the triangle is 12 cm2.
\(\theta = \) degree(s)
Correct
Incorrect
Hint
\(Area = \dfrac{1}{2}ab\sin C\)
Question 9 of 10
9. Question
Find the largest angle in the triangle, correcting to the nearest minute.
\(\theta = \) degree(s) and minute(s)
Correct
Incorrect
Hint
\(\cos A = \dfrac{{{b^2} + {c^2} – {a^2}}}{{2bc}}\)
