Algebra C.S.E.C. Multiple Choice quiz

-2(x-4)=

• -2x+8

• -2x+4

• -2x-4

• -2x-8

If a * b =b/a -1 = 7 * 28 =

•  $-\frac{3}{4}$  

•  $\frac{1}{4}$  

• 3

• 4

5(2x -y) - 2(3y- 5x) =

• -11y

• 2x-6y

• 5x-7y

• 20x- 11y

For all a and b,

3a(a+2b)-b(2a-3b) =

• $3a^2\ +8ab\ \ \ +\ 3b^2$

• $3a^2\ +4ab\ \ +\ 3b^2$

• $3a^2\ +4ab\ -\ 3b^2$

• $3a^2\ -ab\ +\ 3b^2$

The coefficient of x in the expansion of ( x +3) (x-1) is

• -3

• -2

• 2

• 4

Seven times the product of two numbers a and b , may be written as

• 7ab

• 49ab

• 7a + b

• 7( a +b )

 $3x^2\times2x^3$  

• 6x

•  $6x^5$  

•  $6x^6$  

•  $72x^5$  

 $P\ =\ \frac{m^3}{2-m}\ when\ m=-\ 2,\ the\ value\ of\ P\ is\$  

• -2

•  $\frac{-6}{4}$  

•  $\frac{6}{4}$  

• 2

If 5 ( 2x -1 ) =35 , then x =

• -4

• $\frac{1}{4}$

• 3

• 4

John has x marbles and Max has twice as many marbles as John . Max gives John 5 of his marbles . How many marbles does John now have ?

• x + 5

• x - 5

• 2x - 5

• 2x + 5