# Algebra II Term Review: Question Preview (ID: 25695)

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If a system contains two quadratic equations, what is the most solutions the system may have?
a) 1
b) 2
c) 3
d) 4

What is the term for a root that you introduce into an equation and that is not a root of the original equation?
a) natural
b) extraneous
c) irrational
d) imaginary

What method is most often used to solve a system of two equations involving quadratic equations?
a) Elimination
b) Graphing
c) Substitution
d) Estimating

What is the base of a common logarithm?
a) 10
b) e
c) 15
d) 1

In order for roots of a quadratic equation to be equal, what must the discriminant equal?
a) 0
b) 1
c) 10
d) 4

The trigonometric ratio that is the opposite over the adjacent
a) sine
b) tangent
c) cosine
d) cotangent

Angles that are less than 90 degrees
a) straight
b) reflex
c) obtuse
d) acute

A triangle with two congruent sides
a) isosceles
b) scalene
c) equilateral
d) obtuse

What trigonometric ratio is the opposite over the hypotenuse?
a) sine
b) cosine
c) tangent
d) secant

What is the sum of all the angles in a triangle equal to?
a) 180 degrees
b) 90 degrees
c) 360 degrees
d) 100 degrees

What is the middle number called in a list of numbers that has been arranged from least to the greatest?
a) Median
b) Mode
c) Range
d) Midrange

A logarithm with a base of 3 is called what?
a) common logarithm
b) natural logarithm
c) normal logarithm
d) boring logarithm

b^2 - 4ac is called the what?
b) discriminant
c) rational number
d) Pythagorean Theorem

A logarithm is a(n) what?
a) exponent
b) root
c) rational number
d) imaginary number

What is the square root of a negative number called?
a) Irrational Number
b) Rational Number
c) Imaginary Number
d) Invisible Number

What term is the most used number is a set of numbers?
a) Mean
b) Median
c) Mode
d) Range

What is the difference between the highest and lowest value in a set of numbers called?
a) Range
b) Deviation
c) Median
d) Mode

What word means the average of a set of numbers?
a) Mean
b) Median
c) Mode
d) Range

Which is not a way of solving a complete quadratic equation
a) Completing the Square
b) Elimination
c) Rationalize
d) Substitution

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