Get premium membership and access questions with answers, video lessons as well as revision papers.
write the equations in the form y = mx + c where m is the gradient and c is the y intercept.
a. 5y = 9x
Y =(9/5 )x + 0 m = 9/5 ,c =0
b. 4y =12 x + 1
Y = 3x + ¼ m = 3, c=1
c. 9 – 2x = 4y
(9/4) – (½)x = y m = -1/2 c=9/4
d. 1/3 x + 1/4y - 2 = 0
( ¼)y =-(1/3)x +2 multiple the equation by 4
Y = (-4/3)x +8 m = -(4/3) c= 8
joseph rimiru answered the question on September 29, 2017 at 16:35
- On a map with a scale of 1:500 000, a coffee plantation covers an area of 20 cm^2 . Find the actual area of the...(Solved)
On a map with a scale of 1:500 000, a coffee plantation covers an area of 20 cm^2 . Find the actual area of the plantation I hectares.
Date posted: September 29, 2017. Answers (1)
- The area of a sector of a circle radius 35 cm is 490 cm^2. Calculate the angle subtended at the centre of the circle. (Take...(Solved)
The area of a sector of a circle radius 35 cm is 490 cm^2. Calculate the angle subtended at the centre of the circle. (Take π =22/7 ).
Date posted: September 29, 2017. Answers (1)
- Using the Hero’s formula find the area of a triangle whose sides are 8 cm, 6cm, and 10 cm(Solved)
Using the Hero’s formula find the area of a triangle whose sides are 8 cm, 6cm, and 10 cm
Date posted: September 29, 2017. Answers (1)
- write the following pairs of simple statements in form of a compound statement.
...(Solved)
write the following pairs of simple statements in form of a compound statement.
a. x ≥ 3, x ≤ 5
b. x ≥ 1, x ≤ 8
c. x > -5, x≤ 0
d. x ≥ -4, x ≤ -1
Date posted: September 29, 2017. Answers (1)
- Solve the following simultaneous inequalities
6x – 2 = -8
...(Solved)
Solve the following simultaneous inequalities
6x – 2 ≥ -8
2x + 3 ≤ 9
Date posted: September 29, 2017. Answers (1)
- Given that (2 , 3)are the roots of a quadratic equation, obtain a corresponding equation in the form
...(Solved)
Given that (2 , 3)are the roots of a quadratic equation, obtain a corresponding equation in the form
ax^2 + bx + c = 0 where a, b, and c are integers.
Date posted: September 29, 2017. Answers (1)
- Calculate the surface area of a solid cone of base radius 14 cm and the height 26 cm.(Solved)
Calculate the surface area of a solid cone of base radius 14 cm and the height 26 cm.
Date posted: September 29, 2017. Answers (1)
- Calculate the volume of the sphere of radius
a. 3.6cm b. 45 cm ...(Solved)
Calculate the volume of the sphere of radius
a. 3.6 cm b. 45 cm c. 15 cm
Date posted: September 29, 2017. Answers (1)
- A house to be built measure on a plan as 40cm by 20 cm. If the linear scale factor is 25, find the
...(Solved)
A house to be built measure on a plan as 40 cm by 20 cm. If the linear scale factor is 25, find the
actual area of the house.
Date posted: September 29, 2017. Answers (1)
- Which of the following values are divisible by 10
{10, 12100, 1255, 13460}
(Solved)
Which of the following values are divisible by 10
{10, 12100, 1255, 13460}
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 9?
a. 27, 4545, 6114, 7178
b. 1002, 12100,1251,13460
(Solved)
Which of the following numbers are divisible by 9?
a. 27, 4545, 6114, 7178
b. 1002, 12100,1251,13460
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 8?
a. 832, 714, 2000, 994
b. 10864, 12867, 10040
(Solved)
Which of the following numbers are divisible by 8?
a. 832, 714, 2000, 994
b. 10864, 12867, 10040
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 5?
a. 80, 91, 1055, 2565
b. 115, 10060, 7812, 860
(Solved)
Which of the following numbers are divisible by 5?
a. 80, 91, 1055, 2565
b. 115, 10060, 7812, 860
Date posted: September 28, 2017. Answers (1)
- Which of the following numbers are divisible by 4?
a. 124, 10021, 1732, 1236
...(Solved)
Which of the following numbers are divisible by 4?
a. 124, 10021, 1732, 1236
b. 1017, 3284, 1978, 7654
Date posted: September 28, 2017. Answers (1)
- In the set of the numbers below which are divisible by 2
{18, 19, 124, 643, 10010}
(Solved)
In the set of the numbers below which are divisible by 2
{18, 19, 124, 643, 10010}
Date posted: September 28, 2017. Answers (1)
- Solve the following inequalities
a. x – 7 = 5
b. y +5 = 8
c. 3x + 9 = 18
(Solved)
Solve the following inequalities
a. x – 7 ≥ 5
b. y +5 ≤ 8
c. 3x + 9 ≤ 18
Date posted: September 28, 2017. Answers (1)
- From the following equations of straight line determine which pairs are parallel to each other.
a. y = 3x + 7
...(Solved)
From the following equations of straight line determine which pairs are parallel to each other.
a. y = 3x + 7
y=3x + 10
b. 4y =8x – 9
10y= 2x + 3
c. 3y = 5 -4x
5y= 9- 20x
d. 7y = 21x + 10
Y =3x – 6
Date posted: September 28, 2017. Answers (1)
- Use binomial expansion to evaluate (1.02)^6 to 4 s. f(Solved)
Use binomial expansion to evaluate (1.02)^6 to 4 s. f
Date posted: September 28, 2017. Answers (1)
- 5 men have enough food for 36 weeks. How long would the same food last for 15 men?(Solved)
5 men have enough food for 36 weeks. How long would the same food last for 15 men?
Date posted: September 27, 2017. Answers (1)
- The length of a rectangle is 10 cm longer than the breadth. The perimeter is 82 cm. What are the length
...(Solved)
The length of a rectangle is 10 cm longer than the breadth. The perimeter is 82 cm. What are the length
and the breadth of the rectangle ?
Date posted: September 27, 2017. Answers (1)