SCI-MATH Quiz Bee Grade 8

What must be added to $x^2$ + ____ + 4 to make it a perfect square trinomial? 

• 4x

• x

• 2x

• 14x

which of the following is the square of x + 1?

• $x^2+12x+1$

• $x^2+x+1$

• $x^2+2x+1$

• $x^2+x-1$

what is the larges factor common to 9x + 27x

• 9x

• 9

• 3x

• 3

simplify $\frac{5}{10}$  

•  $\frac{1}{4}$  

•  $\frac{1}{2}$  

•  $\frac{1}{3}$  

• 1

simplify $\frac{4x^2y^2}{2xy}$  

• xy

• 2

• 2xy

• -2xy

simplify $\frac{c}{c}$  

•  $\frac{1}{c}$  

• 1

• 2

• c

what is the LCD of $\frac{1}{2}$  and  $\frac{4}{5}$  ?

• 5

• 10

• 15

• 20

the x-coordinate is also called the _____________?

• ordinate

• origin

• cartesian plane

• abscissa

what quadrant does the point (3,5) lies?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4