Grand Test 2
1. Find the surface area of a sphere with radius 3cm. [4]
2. The sum of the numerator and
denominator of a fraction is 17. If 3 is added to the numerator,
the value of the fraction will be 1. What is the fraction? [6]
3. Draw the graph of the equation
[8]
X
|
-5
|
-4
|
-3
|
-2
|
-1
|
0
|
1
|
2
|
3
|
Y
|
- 8
|
4
|
2
|
-2
|
scale is
2 cm = 1 unit on x-axis
1 cm= 1 unit on y-axis
From the graph find
From the graph find
a) Co-ordinates of maximum
point point. ( , )
b) The value of x for which y= -3 and
- 8 is _________________ and
____________
c) The value of y for which x= -4.5
and 1.6 is ________________ and ____________
4. Solve the following simultaneous
equation using graphical method: [4]
;
5. A cone has a circular base of
radius 5 cm and a height of 12 cm. Find the curved surface area
of the cone. [4]
6. A basket ball has a volume of 36000
cm3. Find the radius. [4]
7. A solid metal ball of radius 3cm
is melted and the metal obtained is recast to form a solid circular
cone of radius 6cm. Find the height of the cone. [5]
8. The pi chart shows the nutritional composition of a fast-food [5]
product.
a) calculate the value of x.
b) what is the percentage
of fat in the fast-food product?
c) given that one such fast-food product contains 120g of
carbohydrates, calculate the total weight of the fast-food.
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