Math Quiz Bee Grade 8 (EASY ROUND)

What are the 3 undefined terms in Geometry?

• point, lane, plane

• point, line, plane

• plane, line, segment

• plane, lane, segment

Determine the kind of system of 2x+3y=4

2x= -3y+5

• Inconsistent system

• Consistent system

• Inconsist system

• Consist system

What should be multiplied to to get $(a-7)$  to get  $(a^2-49)?$  

•  $a-7$  

•  $a+49$  

•  $a-49$  

•  $a+7$  

If one of the factors of $x^3+8$  is (x + 2) , what is the other factor?

•  $x^2-4x+2$  

•  $x^2+2x-4$  

•  $x^{2\ }-2x+4$  

•  $x2+4x-2$  

What is the product of the given rational algebraic expressions  $\frac{x\ +\ 8}{x\ -\ 2}\ \cdot\ \frac{\left(x-2\right)\left(x+2\right)}{8\left(x+8\right)}$   

in simplest form?

•  $\frac{x\ +8}{2}$  

•  $\frac{x-2}{8}$  

•  $\frac{x+2}{8}$  

•  $\frac{x\ -8}{2}$  

Simplify: $\frac{1}{x}\ -\ \frac{1}{x^2}$  

•  $\frac{x^2-1}{x^{ }}$  

•  $\frac{x+1}{x^2}$  

•  $\frac{x^2+1}{x^{ }}$  

•  $\frac{x-1}{x^2}$  

If the abscissa is positive and the ordinate is nonnegative, in which quadrant is it located?

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Write the slope-intercept form of a linear equation with a slope of $-\frac{5}{3}$  and a 
y-intercept of 0.

•  $x=\ -\frac{5}{3}y$  

•  $y=\ -\frac{5}{3}x$  

•  $y=\ \frac{5}{3}x$  

•  $x=\ \frac{5}{3}y$  

In the statement “If two angles are complements of the same angle, then they are congruent”, the hypothesis is ____________________.

• Two angles are complements of the same angle.

• Two angles are supplements of the different angle.

• Two angles are supplements of the same angle.

• Two angles are complements of the different angle.

If $\overline{PR}\ \cong\ \overline{LY},$   $\overline{RO}\ \cong\ \overline{YF},$  and $\overline{PO}\ \cong\ \overline{YF}$ then $\Delta PRO\ \cong\Delta LYF,$ by what postulate or theorem?

• SAS Postulate

• ASA Postulate

• SAA Postulate

• SSS Postulate