Diagnostic test Grade 12

• (3,4)

• (4,3)

• (-3,-4)

• (3,-4)

Which of the following is NOT an integer?

• 7

• -8

• 1

• 6.5

Factor the following binomial

 $4x^2-y^2$  

• can't be factorized

• (2x-1)(2x+y)

• (2x+2y)(2x-2y)

• (2x-y)(2x+y)

what is 10% of 50?

• 10

• 50

• 15

• 5

If a circle has a radius of 4 meters, what is its circumference?

•  $4\pi\ m$  

•  $16\pi\ m$  

•  $32\pi\ m$  

•  $8\pi\ m$  

What is the midpoint of a line segment connecting the points (-4,6) and (8,2) ?

• (4,2)

• (-6,2)

• (2,4)

• (-4,2)

 $-5x^2+x+4$  

Factor the given trinomial .

• (x-1)(5x-4)

• -(x-1)(5x+4)

• (x-1)(5x+4)

• (x-2)(5x+2)

Find the perimeter of a square with a side length 4 m?

• 8 m

• 16 m

• 24 m

• 12 m

Distribute :

 $-5\left(x+15\right)$  

• -5x-75

• -22x-176

• -9x-129

• -4x-21

Expand :

 $-4x\left(3x^2-7x+2\right)$  

•  $-12x^3-28x^2-8x$  

•  $12x^3-28x+x$  

•  $-12x^3+28x^2-8x$  

•  $12x^3+28x^2-8x$