What are irrational numbers?

Any number that can not be written as a fraction.

natural, whole, irrational, and integers

Which of the relations below is a function?

{(2,3), (3,4), (5,1), (6,2), (7,3)}

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Algebra Basics

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Questions 25

Answers

1
Solve the equation:
x=18/5
x=2
x=5
x=-2
2
Solve the equation.
y = 45
y = 5
y = -45
y = 3
3
What are irrational numbers?
The answer to a division problem.
A number that can be written as a fraction.
Any number that can not be written as a fraction.
The answer to a multiplication problem.
4
real numbers are...
natural, irrational, and integers
whole, irrational, and integers
natural, whole, and integers
natural, whole, irrational, and integers
5
Find the Domain
-5<x<5
-5≤x≤5
x≤5
x≥5
6
Find the Range
-3≤y≤3
1≤y≤2
1≤y≤3
-3<y<3
7
Which is correct about functions?
Every output has one input
Every input has at least two outputs
Every input has one output
The sum of the absolute values is 4
8
Solve the equation.
x = 2
x = 8
Infinitely Many Solutions
No Solution
9
Find the domain.
1≤x≤6
-2≤y≤5
-2, 2, 5
1, 3, 4, 6
10
Polynomial or Monomial?
Polynomial
Both
Neither
Monomial
11
Graphing equations
y=3x-4
y= -1/3x-4
y= 1/3x-4
y= -3x-4
12
Solve for the following one step equation.
7
12
-1
3/4
13
What is the Range?
(2, ∞)
(-4,∞)
[-4,∞)
(-∞,∞)
14
If the discriminent value is zero then roots will be
Rational, unequal
Real, equal
Imaginary
Real, unequal
15
What is a discriminent
2b-ac4
2b-4ac
b-4ac
b2-4ac
16
Solve with the quadratic formula.
C
D
B
A
17
Solve with the quadratic formula.
D
A
C
C
18
Which equation represents a exponential function?
y=2x
y=2x+1
y=-(x-10)2-5
y=3x
19
Solve the radical equation
3
-3
1
5
20
Discriminent
2
3
4
1
21
Which of the relations below is a function?
{(2,3), (3,4), (5,1), (6,2), (3,3)}
{(2,3), (3,4), (5,1), (6,2), (5,2)}
{(2,3), (3,4), (5,1), (6,2), (2,4)}
{(2,3), (3,4), (5,1), (6,2), (7,3)}
22
Which of the following is a one step equation?
-3
2x-5=19
4x=20
x
23
What is a Binomial
2 terms
1 term
4 terms
1000 terms
24
Multi-Step Equations
all real numbers
x = -7
x = 7
x = 2.333
25
Inequalities
x ≥ 10
x ≤ 10
x ≥ −11
x ≤ −11

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