Knhs Stem Qualifying Exam 2019

60 Questions | By Stemexam2019 | Last updated: Mar 19, 2022 | Total Attempts: 174

Questions

Settings

Create your own Quiz

Questions and Answers

1.

If the set of numbers 3, -12, 48, -192 form a geometric sequence, what is the common ratio between any two consecutive terms
- A.
  
  A. – 12
- B.
  
  B. – 8
- C.
  
  C. – 6
- D.
  
  D. -4
2.

What is the next term in the arithmetic sequence: 2, 13/4, 9/2, 23/4,.
- A.
  
  A. 7
- B.
  
  B. 29/4
- C.
  
  C. 15/2
- D.
  
  D. 31/4
3.

Which of the following is NOT an example of a harmonic sequence?
- A.
  
  A. 1/6, 1/7, 1/8, 1/9,...
- B.
  
  B. 4, 0, -4, -2
- C.
  
  C. 1/4, 1/12, 1/36,1/108,...
- D.
  
  D. 31/4
4.

What is the sum of all even integers from 21 to 50?
- A.
  
  A. 540
- B.
  
  B. 592
- C.
  
  C. 600
- D.
  
  D. 640
5.

What quotient shall be obtained when (x+9) divides (x² – 81)?
- A.
  
  A. X+9
- B.
  
  B. X-9
- C.
  
  C. 9X+1
- D.
  
  D. 9X-1
6.

What is the 14^th term of a geometric sequence if the 4th term is 800 and the 10^th term is 25/2?
- A.
  
  A. 25/4
- B.
  
  B. 25/8
- C.
  
  C. 25/16
- D.
  
  D. 5/4
7.

What is the remainder if the expression ( 5b²+ 15b – 35) is divided by (b + 5)?
- A.
  
  A. 15
- B.
  
  B. 20
- C.
  
  C. 25
- D.
  
  D. 30
8.

Which of the following is a factor of (3a + 1)?
- A.
  
  A. 3a² + 3a + 1
- B.
  
  B. 3a² + 5a + 1
- C.
  
  C. 6a² + 5a + 1
- D.
  
  D. 6a² + 5a + 3
9.

What is the value of K if the expression (- 5x³ + 4x² – 3x + K) is divided by (x-1), and obtains a remainder of 10?
- A.
  
  A. 12
- B.
  
  B. 14
- C.
  
  C. 16
- D.
  
  D. 18
10.

Jace will evaluate a 7^th degree polynomial in m, whose value is 5 through synthetic division. How many coefficients of m shall be written in the first row of the synthetic division procedure?
- A.
  
  A. 5
- B.
  
  B. 6
- C.
  
  C. 7
- D.
  
  D. 8
11.

What is the value of P(-2) in the expression: P(x) = 7x⁴ – 5x³ + 2x² – 3?
- A.
  
  A. 161
- B.
  
  B. 159
- C.
  
  C. 157
- D.
  
  D. 155
12.

Which of the following polynomial equation with roots -1, 1 and 4?
- A.
  
  A. P(x) = x³ – 4x² – 2x + 4
- B.
  
  B. P(x) = x³ – 4x² – 4x – 4
- C.
  
  C. P(x) = x³ – 4x² + x + 4
- D.
  
  D. P(x) = x³ – 4x² – x + 4
13.

What are the roots of the quadratic equation b² – 5b – 36 = 0?
- A.
  
  A. (9, 4)
- B.
  
  B. (9,-4)
- C.
  
  C. (-9, -4)
- D.
  
  D. (-9,4)
14.

A square with a side of 12 cm and a rectangle with a width of 8 cm have the same area. What is the length of the rectangle?
- A.
  
  A. 16 CM
- B.
  
  B. 17 CM
- C.
  
  C. 18 CM
- D.
  
  D. 20 CM
15.

In square FATE, the measure of angle F is 4x + 30. What is the value of x?
- A.
  
  A. 21 degrees
- B.
  
  B. 19 degrees
- C.
  
  C. 15 degrees
- D.
  
  D. 13 degrees
16.

What is the sum of the first 8 terms of arithmetic sequence whose first term is 37 and the common difference is -4?
- A.
  
  A. 180
- B.
  
  B. 182
- C.
  
  C. 184
- D.
  
  D.186
17.

The polynomial function P(x) = xⁿ is true when,
- A.
  
  A. N is any real number
- B.
  
  B. N is an non-negative number
- C.
  
  C. N is an integer
- D.
  
  D. N is an irrational number
18.

What is the leading term in a polynomial function P(x) = 5 + 7x⁴ – 3x + 2x⁵?
- A.
  
  A. 2
- B.
  
  B. 3
- C.
  
  C. 5
- D.
  
  D. 7
19.

The computation for profit in a textile store is presented by the mathematical model P(x) = 3x² + 6x – 120,000 where x is the number of meters being sold. What is the computed profit if the number of meters being sold is 250?
- A.
  
  A. P70,000.00
- B.
  
  B, P69,000.00
- C.
  
  C, P68, 000.00
- D.
  
  D. 67,000.00
20.

Which of the following function will cross the x-axis thrice?
- A.
  
  A. P(x) = (x²-1)(x² – 5x + 6)
- B.
  
  B. P(x) = (2x² – 5x + 2) (x+3)
- C.
  
  C. Both A and B
- D.
  
  D. Neither A Nor B
21.

Which of the following mathematical models is used to determine the distance between two points whose coordinates are (x₁, y₁) and (x₂, y₂)?
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
22.

What is the expansion of (2x – 3)³?
- A.
  
  A. 8x³ – 27
- B.
  
  B. 8x³ – 36x² + 54x – 27
- C.
  
  C. 8x³ + 54x – 27
- D.
  
  D. 8x³ + 36x² – 54x –
23.

Mr. Torres has to travel going to his workplace during weekdays (Monday to Fiday). He has three ways to travel – by train, car or jeep. In how many ways can Mr. Torres report for work during the said days?
- A.
  
  A. 243 ways
- B.
  
  B. 225 ways
- C.
  
  C. 15 ways
- D.
  
  D. 3 ways
24.

What is the value of the expression C (8, 6)?
- A.
  
  A. 56
- B.
  
  B. 48
- C.
  
  C. 28
- D.
  
  D. 14
25.

What is the value of expression 10!/(4!7!)
- A.
  
  A. 90
- B.
  
  B. 60
- C.
  
  C. 40
- D.
  
  D. 30

Related Quizzes

Embryo And Stem Cell Research

Basic questions to test one's knowledge on embryo and stem cell research.

Questions: 15 | Attempts: 893 | Last updated: Mar 21, 2022

Sample Question
Why do we study stem cells?

Because we don't know where they come from naturally in the body.

Because studying stem cells teaches us about early reproduction, genetics, and disease.

Because we have growing funding and no restrictions to study stem cells.

All of the above.

Spanish Test: Stem Changing Verbs E-ie

In English class, we learned that Stem-changing verbs are conjugated by removing the –ar, -er or -ir ending from an infinitive and adding the appropriate ending. In the quiz below you will practice stem-changing verbs e-ie...

Questions: 25 | Attempts: 28657 | Last updated: Mar 21, 2022

Sample Question
Pensar =

To prefer

To think

To have a snack

Stem Changing 0-ue Assignment

You will practice Stem changing o-ue. Answers Only (Dont capitalize answers)

Questions: 35 | Attempts: 565 | Last updated: Mar 21, 2022

Sample Question
Recordar = (meaning)

To find

To return

To count

To remember

Featured Quizzes

What Type Of Girl Are You? Quiz What Type Of Girl Are You? Quiz

Maths Quiz For Grade 6 With Answers Maths Quiz For Grade 6 With Answers

Pottermore Sorting Hat Quiz Pottermore Sorting Hat Quiz

Which Anime Character Are You Most Like? Quiz Which Anime Character Are You Most Like? Quiz

Best Friend Quiz: Are You Really Best Friends? Best Friend Quiz: Are You Really Best Friends?

Direct and Indirect Speech Quiz: Test Your English Grammar Skills! Direct and Indirect Speech Quiz: Test Your English Grammar Skills!

Back to top