Q:7) A rail journey of 300 km cost £84. At the same rate per km
a)what would be the cost of traveling 250 km.
b)How far could you travel for £63?
Q:8) Do this question on a sheet of graph paper. Do not shade the defined by the inequalities.
x+y < 6, 3x+y ≥ 3, y ≥ -1
Q:9) Find, an expression for the nth term
i)5,10,15,20,………...
ii)1,8,27,64, …………
iii)2,4,7,11,16……..
Q:10) Factorize
a)x2 – 7x
b)x2 + 12x + 20
c)x2 – 4
d) 552 - 452
e) Find the value of p and q, for all values of x.
x2– px + 12 = (x – 6)(x-q)
Q: 11) When three times a number, x, is added to a second number, y, the total is 33. The
first number added to three times the second number is 19.
a)Form two equations connecting x and y.
b)Find the two numbers.
Q:11) Ahmed is x years old and his father is x2 years old. The sum of their ages is 56
years. Form an equation in x and solve it to find the age of each.
2006-11-22
22:03:02
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4 answers
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asked by
Anonymous
in
Mathematics