Grade 10 - Pretest S.Y. 2020 - 2021

Which of the following is the

 $10^{th}$  number given the number pattern   $0,\ 4,\ 8,\ 12,\ 16$  ?

• 40

• 32

• 36

• 44

Given  $a_n=2n-1$ as the   $n^{th}$  term of a sequence, what is its first 3 terms?

• 1, 4, 7

• 1, 3, 5

• 1, 2, 3

• 1, 5, 8

What is the factored form of  $P\left(x\right)=x^4+x^3+x^2+x$  ?

•  $x\left(x+1\right)\left(x^2+1\right)$  

•  $x\left(1\right)\left(x^2+1\right)$  

•  $x\left(x-1\right)\left(x^2-1\right)$  

•  $x\left(-1\right)\left(x^2+1\right)$  

The volume of a rectangular solid is $\left(x^3-8\right)$  cubic   $cm$ , and its height is   $\left(x-2\right)$    $cm$ . What is the area of its base?  

•  $x^2+2x+4$  

•  $x^2-2x+4$  

•  $x^2+2x-4$  

•  $-x^2+2x+4$  

Given the graph, which polynomial function in factored form represents the graph?

• 
  

  $y=\left(2x+3\right)\left(x-1\right)^2$
  

• $y=-\left(2x+3\right)\left(x-1\right)^2$

• $y=\left(2x+3\right)^2\left(x-1\right)$

• $y=-\left(2x+3\right)^2\left(x-1\right)$

Which of the following is the region bounded by an arc of the circle and the two radii to the endpoints of the arc?

• segment

• sector

• secant

• tangent

• 40

• 80

• 30

• 120

Given the circle  $x^2+y^2-4=0$ . What is the center? 

•  $\left(0,\ 0\right)$  

•  $\left(2,\ 0\right)$  

•  $\left(2,\ 2\right)$  

•  $\left(0,\ 2\right)$  

The endpoints of a diameter of a circle are  $L\left(-3,\ -2\right)$  and   $G\left(9,\ -6\right)$ . What is the length of the radius of the circle?

•  $\sqrt{10}$  

•  $2\sqrt{10}$  

•  $4\sqrt{10}$  

•  $8\sqrt{10}$  

What do you call the different arrangements of objects of a group?

• Combination

• Permutation

• Selection

• Organization