Quiz about Algebra 1 Vocab Review for Regents

Question 1

How can you tell if a table is linear?

Accepted Answer

the y-values are adding the same number each time

Answer

the y-values are multiplying by the same number each time

Question 2

How can you tell if a table is exponential?

Accepted Answer

the y-values are multiplying by the same number each time

Answer

the y-values are adding the same number each time

Question 3

What is a function?

Accepted Answer

where each input can only have one output

Answer

where an input can have more than one output

Answer

where all the outputs have to be different

Question 4

What kind of function is this?

Accepted Answer

Quadratic

Answer

Linear

Answer

Exponential

Answer

Absolute Value

Question 5

What kind of function is this?

Accepted Answer

Linear

Answer

Quadratic

Answer

Exponential

Answer

Absolute Value

Question 6

What kind of function is this?

Accepted Answer

Absolute Value

Answer

Linear

Answer

Quadratic

Answer

Exponential

Question 7

What kind of function is this?

Accepted Answer

Exponential

Answer

Linear

Answer

Quadratic

Answer

Absolute Value

Question 8

x < 3 means

Accepted Answer

x is less than 3

Answer

x is greater than 3

Answer

x is less than or equal to 3

Answer

x is greater than or equal to 3

Question 9

What are like terms?

Accepted Answer

terms with the same variable AND same exponent

Answer

terms with the same number

Answer

terms with the same variable

Answer

terms with the same coefficient

Question 10

What is a coefficient?

Accepted Answer

the number in front of the variable

Answer

the exponent

Answer

the variable

Question 11

Which of these expressions are in standard form?

Accepted Answer

$$5x^2+4x+1$$

Answer

$$5x^2+4x^3+1$$

Answer

$$5x^2+1+4x$$

Question 12

what's the difference between an equation and an expression?

Accepted Answer

an equation has an equals sign

Answer

an expression has an equals sign

Answer

they both have an equals sign

Question 13

What type of function is this?

$$f\left(x\right)=x^2+3$$

Accepted Answer

quadratic

Answer

linear

Answer

expopnential

Answer

absolute value

Question 14

What type of function is this?

$$f\left(x\right)=4x+3$$

Accepted Answer

linear

Answer

expopnential

Answer

absolute value

Answer

quadratic

Question 15

What type of function is this?

$$f\left(x\right)=\left|x+2\right|$$

Accepted Answer

absolute value

Answer

linear

Answer

expopnential

Answer

quadratic

Question 16

What type of function is this?

$$f\left(x\right)=3\left(2\right)^x$$

Accepted Answer

expopnential

Answer

linear

Answer

absolute value

Answer

quadratic

Question 17

What is a variable?

Accepted Answer

something we don't know / something that can change

Answer

a number

Answer

something we know

Question 18

What is 6.327 rounded to the nearest hundredth?

Accepted Answer

6.33

Answer

6.327

Answer

6.3

Answer

6.32

Question 19

What is an arithmetic sequence?

Accepted Answer

a list of numbers with a common difference (add or subtract same number each time)

Answer

a list of numbers with a common ratio (multiply or divide same number each time?

Question 20

What is a geometric sequence?

Accepted Answer

a list of numbers with a common ratio (multiply or divide same number each time?

Answer

a list of numbers with a common difference (add or subtract same number each time)

Question 21

What does the word "depreciates" mean?

Accepted Answer

gets smaller

Answer

gets larger

Question 22

Which of these exponential functions is INCREASING?

Accepted Answer

$$y=3\left(1.2\right)^x$$

Answer

$$y=3\left(0.5\right)^x$$

Answer

$$y=1.2\left(1-.90\right)^x$$

Answer

$$y=0.5\left(0.99\right)^x$$

Question 23

What is happening with this function? $$f\left(x\right)=100\left(0.98\right)^x$$

Accepted Answer

It's decaying by 2% every year

Answer

it's growing by 2 percent every year

Answer

It's growing by 0.02% each year

Answer

It's decaying by 0.02% each year

Question 24

If this function represents the amount of bacteria present at time x, what does the 100 represent? $$f\left(x\right)=100\left(0.98\right)^x$$

Accepted Answer

the starting number of bacteria

Answer

the number of baceteria that die every minute

Answer

the number of bateria after x minutes

Question 25

What is average rate of change?

Accepted Answer

slope of the endpoints (change in y divided by change in x)

Answer

slope of the endpoints (change in x divided by change in y)

Question 26

What is the domain of this function?

{(0,2), (1,3), (7,4)

Accepted Answer

{0, 1, 7}

Answer

{2, 3, 4}

Answer

{0,1,2,3,4,7}

Question 27

What is the domain and range of this function?

Accepted Answer

Domain: all real numbers

Range: y>3

Answer

Domain: all real numbers

Range: all real numbers

Answer

Domain: -3

Range: 3

Answer

Domain: -3

Range: all real numbers

Question 28

Is this function concave up or down?

Accepted Answer

Concave UP

Answer

Concave DOWN

Question 29

What is the vertex?

Accepted Answer

(2,3)

Answer

(3,2)

Answer

(0,4)

Answer

(4,0)

Question 30

What is the y-intercept?

Accepted Answer

(0,4)

Answer

(2,3)

Answer

(3,2)

Answer

(4,0)

Question 31

What is the axis of symmetry?

Accepted Answer

x=2

Answer

y=2

Answer

x=3

Answer

y=2

Question 32

What are the increasing / decreasing intervals of this graph?

Accepted Answer

increasing: x>2

decreasing: x<2

Answer

increasing: x<2

decreasing: x>2

Question 33

What are the roots/zeros of this graph

Accepted Answer

No real solutions because it never touches the x-axis

Answer

(0,4) and (4,4)

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