Polynomials
Solve 4x3−2x2+14x3−2x2+1 to 7x2+12x
3
1. A chocolate bar costs c pence and a drink costs d pence. Write down an expression for the cost of 2 chocolate bars and 2 drinks.
2c+2d
1.If f(x) = 3x + 2 & g(x) = x2 – 1. Find f(g(-3))
26
1. Solve the following quadratic equation by factoring.
u2−5u−14=0
u= -2 or u= 7
The god of death in Egypt.
Who is Osiris.
Factor xy + 2x + y + 2
(y + 2)(x + 1)
2. Brian is a window cleaner. He uses the following formula to calculate the amount to charge his customers:
Charge = £20 + 4n
Where n is the number of windows a house has.
If a house has 7 windows, how much would Brian charge?
£48
2. Given f(x) = x2 + x ; if x is a prime number.f(x) = 2x + 5 ; if x is non- prime Find f(f(1))
46
2. Solve the following quadratic equation by factoring.
x2+15x=−50
x= -5 or x= -10
Name one goddess of Egypt that has an animal for a head.
Who is Bastet or Sekhmet.
Factor 2x2 + 7x + 5
(x + 1)(2x + 5)
3. The formula for changing degrees Celsius to degrees Fahrenheit is
F=9C/5+32
Rearrange this formula to make C the subject.
C=5(F-32)/9
3. Given f(x) = x3 + 1, g(x) = 2x – 5 h(x) = [f(x)]2 – g(x) Find h(-2)
58
3. Solve the following quadratic equation by factoring.
y2=11y−28y2=11y−28
y= 4 or y= 7
Anubis (God) and Nephthys (Goddess) are related.
True or false?
True.
Factor 3x2 - 4x - 7
(3x - 7)(x + 1)
4. Jamie’s dad is 4 times older than Jamie. In 14 years' time, Jamie’s dad will be twice the age of Jamie.
What is the sum of Jamie’s age now and Jamie’s dad’s age now?
35
4.Given g(x) = x3 – x2 + 2 ; if x is an odd number g(x) = 2x + 5 ; if x is an even number Find g(g(3))
58
4. Solve the following quadratic equation by factoring.
19x=7−6x219x=7−6x2
x= 1/3 or x= -7/2
How many main goddesses and gods are there in Egypt.
21.
Factor 3x3 - x2y +6x2y - 2xy2 + 3xy2 - y3
(3x - y)(x + y)2
Solve -x - 1 = 221 + 2x
-74
5.f(x,y) = x + y ; if both x & y are even f(x,y) = x – y ; if both x & y are odd f(x, y) = 2x – y2 , if any one of them is odd & other is even. Find f(2, 3) – f(2, 4)
-11
5. Solve the following quadratic equation by factoring.
6w2−w=5
w= -5/6 or w= 1
The goddess Sekhmet of Egypt is the goddess of what.
The hot desert sun, plague, chaos, war, or healing.