Algebra quiz 2 mr: Mahmoud Abd El Aziz

The H.C.F of the Expression

15 x² y³+ 30 x³ y⁴ - 25 x² y² is ...............................

• 15 x² y³

• 30 x³ y⁴

• 25 x² y²

• 5 x² y²

If x - y = 5 and x² - y² = 40

^{then x + y = .................}

• 45

• 8

• 35

• 200

The quotient of dividing x² - 5x + 6 by

x - 2 is ........................

• x + 3

• x - 2

• x - 3

• x - 4

 

if x = 4 the the median of the values
x + 8 , x  $-$  2 , x + 1 , x +5 , x + 3 is .............

• 2

• 9

• 5

• 7

The multiplicative inverse of

 $\left|\frac{-3}{5}\right|$  is .........................

•  $\frac{-5}{3}$  

•  $\frac{-3}{5}$  

•  $\frac{5}{-3}$  

•  $\frac{5}{3}$  

 $\frac{3}{7}$  x  $\frac{4}{9}$  +  $\frac{3}{7}$  x  $\frac{5}{9}$  -  $\frac{3}{7}$  = ................

• 0 

• 1

• -1

• 2

The sum of the two expressions

5x²y + 3xy -7 and 4xy + 7 - 5x²y

is .................................

• 10x²y + 7xy

• 7xy + 14

• 10x²y + 7xy + 14

• 7xy

( 3x - 4 )² = 9x² - .............. + 16

• 12 x

• 14 x

• 24 x

• 10 x

The arithmetic mean of the values

5x , 8x , 7x ,4x is .................

• 24x

• 20x

• 5x

• 6x

The rational number lies at the midpoint of the distance between the two numbers  $\frac{1}{2}$  and  $\frac{7}{8}$  is ................

•  $\frac{11}{16}$  

•  $\frac{11}{8}$  

•  $\frac{11}{8}$  

•  $\frac{11}{32}$