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Worksheets[11-25-2025] Quiz in MATH 113 - Part 3
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
In the quadratic equation Ax² + Bx + C = 0, when the roots are multiplied, the result is _____.
a)
C/A
b)
-B/A
c)
-C/A
d)
A/C
2.
In the quadratic equation Ax² + Bx + C = 0, when the roots are added, the result is _____.
a)
C/A
b)
- B/A
c)
- C/A
d)
A/C
3.
If the discriminant of a quadratic equation is less than zero, the equation has _____.
a)
no real roots
b)
one root only
c)
two real roots
d)
none of the above
4.
When can we say that the two roots of a quadratic equation are equal?
a)
when discriminant is greater than 1
b)
when discriminant is zero
c)
when the coefficient of the second degree term is equal to the coefficient of the first degree term
d)
none of the above
5.
What is the discriminant of the quadratic equation Ax² + Bx + C = 0
a)
√(B² - 4AC)
b)
B² - 4AC
c)
B² + 4AC
d)
√(B² + 4AC)
6.
What determines the nature of the roots of the quadratic equation?
a)
Coefficient
b)
Discriminant
c)
Factors
d)
All of the above
7.
The real roots of a cubic equation are the _____.
a)
points of inflection of the graph of the equation
b)
points of intersection of the graph of the equation with the x-axis
c)
points of intersection of the graph of the equation with the y-axis
d)
obtained by using the quadratic formula
8.
For a cubic equation, we produce three distinct real roots only if the discriminant is _____.
a)
equal to zero
b)
less than zero
c)
greater than zero
d)
either less than or greater than zero
9.
For a cubic equation, the discriminant is found to be greater than zero. The roots are _____.
a)
one real and two conjugate complex roots
b)
three distinct roots
c)
three real roots , which two are equal
d)
none of these
10.
A succession of numbers in which one number is designated as first , another as second, another as third and so on is called _____.
a)
series
b)
arrangement
c)
arrangement
d)
sequence
11.
If the probability of occurrence of a is Pa, what is the probability that will nor occur?
a)
1/Pa
b)
1 - Pa
c)
1 + Pa
d)
√𝑃𝑎
12.
In statistics, a pictorial description of the probability concepts of independent and dependent events is called _____.
a)
Venn diagram
b)
histogram
c)
frequency polygon
d)
ogive
13.
The difference between the highest score and the lowest score in the distribution.
a)
deviation
b)
range
c)
median
d)
mode
14.
The second power of the standard deviation is called _____.
a)
mode
b)
central tendency
c)
variance
d)
dispersion
15.
A graph of cumulative frequency distribution plotted at class makes and connected by straight lines.
a)
Histogram
b)
Venn diagram
c)
Ogive
d)
Scattergram
16.
A point in the distribution of scores at which 50 percent of the scores fall below and 50 percent of the scores fall above.
a)
Mode
b)
Mean
c)
Median
d)
Range
17.
A number that occurs most frequent in a group of numbers.
a)
Median
b)
Mode
c)
Means
d)
Standard deviation
18.
The difference between an approximate value of a quantity and its exact value or true value.
a)
Relative error
b)
Absolute error
c)
Mistake
d)
Relative error
19.
It is the quotient of the absolute error divided by the true value.
a)
Relative error
b)
Relative change
c)
Absolute error
d)
Mistake
20.
Refers to a value which is not exact but might be accurate enough for some specific considerations.
a)
approximate value
b)
absolute value
c)
relative value
d)
accurate value
21.
Any number expressed in place-value notation with base 12 is known as:
a)
duodecimal
b)
deontic
c)
decile
d)
dozedecimal
22.
In electricity, how do you call the rate of charge flow?
a)
Potential difference
b)
Current
c)
Voltage
d)
Power
23.
Which one of the following statements regarding organic substances is false?
a)
Organic matter is generally stable at very high temperatures.
b)
Organic substances generally dissolve in high- concentration acids.
c)
All organic matter contains carbon.
d)
Organic substances generally do not dissolve in water.
24.
How do you call the strong bond between hydrogen atoms?
a)
Ionic and metallic bonds
b)
The covalent bond
c)
The ionic bond
d)
The metallic bond
25.
What are Van der Waals forces?
a)
Forces present only in gases
b)
Forces not present in liquids
c)
Primary bonds between atoms
d)
Weak secondary bonds between atoms
26.
Points that lie in the same plane.
a)
Coplanar
b)
Collinear
c)
Oblique
d)
Parallel
27.
Tesla is a unit of which of the following?
a)
Magnetic induction
b)
Inductance
c)
Capacitance
d)
Magnetic flux
28.
What is a borrower of a particular loan almost always required to do during repayment?
a)
Pay exactly the same amount of principal each payment
b)
Repay the loan over an agreed-upon amount of time
c)
Pay exactly the same amount of interest each payment
d)
Pay the interest only whenever failure to pay the principal
29.
Which of the following affects most of the electrical and thermal properties of materials?
a)
The weight of the atoms
b)
The weight of the protons
c)
The electrons, particularly the outermost one
d)
The magnitude of electrical charge of the protons
30.
How do you call the distance of a point from the y-axis?
a)
Polar distance
b)
Coordinate
c)
Abscissa
d)
Ordinate
31.
If a = b, then b can replace a in any equation. This illustrates what law of identity?
a)
Reflexive law
b)
Law of symmetry
c)
Transitive law
d)
Substitution law
32.
If a = a, then it illustrates what law of identity?
a)
reflexive law
b)
law of symmetry
c)
transitive law
d)
substitution law
33.
If a = b and b = c, then a = c this illustrates _____.
a)
reflexive law
b)
law of symmetry
c)
transitive law
d)
substitution law
34.
The axiom which related addition and multiplication is the _____ law.
a)
commutative
b)
associative
c)
distributive
d)
none of the above
35.
Any combination of symbols and numbers related by the fundamental operation of algebra is called a/an _____.
a)
equation
b)
algebraic expression
c)
term
d)
algebraic sum
36.
The algebraic expression consisting of a sum of any number of terms is called a _____.
a)
multinomial
b)
summation
c)
binomial
d)
monomial
37.
An equation which is satisfied by all values of the variables for which the members of equation defined is known as _____.
a)
linear equation
b)
rational equation
c)
conditional equation
d)
irrational equation
38.
An equation in which some or all of the known quantities are represented by letters is called _____.
a)
redundant equation
b)
literal equation
c)
linear equation
d)
irrational equation
39.
An equation in which the variable appear under the radical symbol.
a)
Irradical equation
b)
Irrational equation
c)
Quadratic equation
d)
Linear equation
40.
An equation which, because of some mathematical process, has required an extra root is sometimes called as _____.
a)
redundant equation
b)
literal equation
c)
linear equation
d)
defective equation
41.
All perfect numbers are _____.
a)
even numbers
b)
odd numbers
c)
prime numbers
d)
composite numbers
42.
Two integer numbers are said to be _____ if each is the sum of all possible divisors of the other.
a)
perfect numbers
b)
defective numbers
c)
amicable numbers
d)
Fermat’s numbers
43.
What is another name for amicable numbers?
a)
compatible numbers
b)
friendly numbers
c)
Fermats numbers
d)
Inconsistent numbers
44.
What is the smallest pair of friendly number?
a)
180 and 190
b)
200 and 120
c)
220 and 284
d)
220 and 264
45.
Prime numbers that appear in pair and differ by 2 (e.g. 3 and 5, 11 and 13 etc.) are called _____.
a)
Mersenne primes
b)
prime number theorem
c)
twin primes
d)
pseudo primes
46.
“Every even integer greater than 2 can be written as the sum of two primes”. This is known as _____.
a)
Fermat’s last theorem
b)
Goldbach conjecture
c)
Prime number theory
d)
Mersenne primes
47.
“Every positive integer greater than 1 is a prime or can be expresses as a unique product of primes and powers”. This is known as
a)
Fundamental theorem of arithmetic
b)
Pseudo prime theorem
c)
Prime number theorem
d)
Mersenne’s Theorem
48.
“Every sufficiently large off number can be expresses as a sum of three prime numbers” this is known as _____.
a)
Goldbach conjecture
b)
Vinogradov’s theorem
c)
Pascal’s Law
d)
Mersenne’e theorem
49.
The term “ratio” comes from Latin verb “ratus” meaning _____.
a)
to divide
b)
to estimate
c)
to get the mean
d)
to make a proportion
50.
In the proportion of four quantities, the first and fourth terms are referred to as the _____.
a)
means
b)
extremes
c)
denominators
d)
numerators
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