Question 1

Translate the phrase into an algebraic expression.
92 less than y

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 2

Subtract the fractions. Reduce to simplest form.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 3

35% of the pets in the town are cats. There are 320 pets total in town. How many are cats?

Accepted Answer

A)  112 
B)  221 
C)  100 
D)  225 
A)  112 
B)  221 
C)  100 
D)  225

Question 4

In the expression   the base is 7.

Accepted Answer

A) True 
 B)False

Question 5

Convert   to standard notation.

Accepted Answer

The answer of Convert   to standard notation....

Question 6

Consider the function f(x) = 4 x   7. What is the name of the function? What is the input? What is the output?

Accepted Answer

A)  Name: f ; Input: x ; Output: 4 x   7 
B)  Name: f(x) ; Input: x ; Output: 4 x   7 
C)  Name: f(x) ; Input: 4 x   7; Output: x 
D)  Name: f(x) ; Input: x ; Output: f 
E)  Name: f ; Input: 4 x   7; Output: x 
A)  Name: f ; Input: x ; Output: 4 x   7 
B)  Name: f(x) ; Input: x ; Output: 4 x   7 
C)  Name: f(x) ; Input: 4 x   7; Output: x 
D)  Name: f(x) ; Input: x ; Output: f 
E)  Name: f ; Input: 4 x   7; Output: x

Question 7

Subtract the fractions. Reduce to simplest form.

Accepted Answer

A)  -3 
B)    
C)    
D)    
A)  -3 
B)    
C)    
D)

Question 8

Simplify   by combining like terms.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 9

The following table shows data for the cost of humidifiers based on the number of humidifiers produced. Find a linear model for the cost C of producing x humidifiers.

Accepted Answer

A)  C = 1.05 + 87 x 
B)  C = 1.05 x 
C)  C = 87 + 1.05 x 
D)  C = 87 + 20 x 
E)  C = 87 x 
A)  C = 1.05 + 87 x 
B)  C = 1.05 x 
C)  C = 87 + 1.05 x 
D)  C = 87 + 20 x 
E)  C = 87 x

Question 10

Does the equation y = -3 x define the variable y as a function of the variable x ?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 11

Let f(x) = 3 x   + 4 x   4. Find f ( 4).

Accepted Answer

A)  48 
B)  -32 
C)  32 
D)  28 
E)  -68 
A)  48 
B)  -32 
C)  32 
D)  28 
E)  -68

Question 12

The table below describes the average temperatures for Portland OR during a given year. What is the median temperature for the year?

Accepted Answer

A)  64.5 
B)  67.0 
C)  75.0 
D)  71.0 
E)  64.0 
A)  64.5 
B)  67.0 
C)  75.0 
D)  71.0 
E)  64.0

Question 13

When you add two fractions with different denominators you must find a common denominator.

Accepted Answer

A) True 
 B)False

Question 14

Plot the points in the coordinate plane. 
A.   
B.   
C.   
D.

Accepted Answer

The answer of Plot the points in the coordinate plane....

Question 15

A submarine was cruising 250 m below the surface of the water. It began to rise toward the surface at 25 m per minute. After 5 minutes what was its depth below the surface?

Accepted Answer

A)  225 m 
B)  245 m 
C)  125 m 
D)  0 m 
A)  225 m 
B)  245 m 
C)  125 m 
D)  0 m

Question 16

Subtract the fractions. Reduce to simplest form.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. What is the mass of the bacteria (in mcg) at 9:30 am?

Accepted Answer

A)  61.89 
B)  75.79 
C)  50.60 
D)  1.5 
E)  31.08 
A)  61.89 
B)  75.79 
C)  50.60 
D)  1.5 
E)  31.08

Question 18

The resistance R of a wire (in ohms) is related to its length L (in meters) and its diameter d (in meters) by the formula   . Find a formula for d .

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

A population of rabbits was tracked over a 55-day period. The data is shown in the following graph. How did the population of rabbits change between day 3 and day 20?

Accepted Answer

A)  The population of rabbits increased from approximately 5 rabbits to 83 rabbits. 
B)  The population of rabbits decreased from approximately 83 rabbits to 5 rabbits. 
C)  The population of rabbits increased from approximately 5 rabbits to 61 rabbits. 
D)  The population of rabbits was constant during this time period. 
E)  The population of rabbits decreased from approximately 61 rabbits to 5 rabbits. 
A)  The population of rabbits increased from approximately 5 rabbits to 83 rabbits. 
B)  The population of rabbits decreased from approximately 83 rabbits to 5 rabbits. 
C)  The population of rabbits increased from approximately 5 rabbits to 61 rabbits. 
D)  The population of rabbits was constant during this time period. 
E)  The population of rabbits decreased from approximately 61 rabbits to 5 rabbits.

Question 20

and   are like terms.

Accepted Answer

A) True 
 B)False

Translate the phrase into an algebraic expression. 92 less than y

Subtract the fractions. Reduce to simplest form. $Subtract the fractions. Reduce to simplest form.$

35% of the pets in the town are cats. There are 320 pets total in town. How many are cats?

In the expression the base is 7.

Convert to standard notation.

Consider the function f(x) = 4 x 7. What is the name of the function? What is the input? What is the output?

Subtract the fractions. Reduce to simplest form. $Subtract the fractions. Reduce to simplest form.$

Simplify by combining like terms.

The following table shows data for the cost of humidifiers based on the number of humidifiers produced. Find a linear model for the cost C of producing x humidifiers.

Does the equation y = -3 x define the variable y as a function of the variable x ?

Let f(x) = 3 x + 4 x 4. Find f ( 4).

The table below describes the average temperatures for Portland OR during a given year. What is the median temperature for the year?

When you add two fractions with different denominators you must find a common denominator.

Plot the points in the coordinate plane. A. B. C. D.

A submarine was cruising 250 m below the surface of the water. It began to rise toward the surface at 25 m per minute. After 5 minutes what was its depth below the surface?

Subtract the fractions. Reduce to simplest form. $Subtract the fractions. Reduce to simplest form.$

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. What is the mass of the bacteria (in mcg) at 9:30 am?

The resistance R of a wire (in ohms) is related to its length L (in meters) and its diameter d (in meters) by the formula . Find a formula for d .

A population of rabbits was tracked over a 55-day period. The data is shown in the following graph. How did the population of rabbits change between day 3 and day 20?

and are like terms.

Linear Equations and Inequalities With One Variable

Linear Equations With Two Variables

Systems of Linear Equations

Exponents and Polynomials

Factoring and Quadratic Equations

Rational Expressions and Equations

Radical Expressions and Equations

Modeling Data

Filters

Exam 1: Building Blocks of Algebra

Translate the phrase into an algebraic expression. 92 less than y

Subtract the fractions. Reduce to simplest form.

35% of the pets in the town are cats. There are 320 pets total in town. How many are cats?

In the expression the base is 7.

Convert to standard notation.

Consider the function f(x) = 4 x 7. What is the name of the function? What is the input? What is the output?

Subtract the fractions. Reduce to simplest form.

Simplify by combining like terms.

The following table shows data for the cost of humidifiers based on the number of humidifiers produced. Find a linear model for the cost C of producing x humidifiers.

Does the equation y = -3 x define the variable y as a function of the variable x ?

Let f(x) = 3 x + 4 x 4. Find f ( 4).

The table below describes the average temperatures for Portland OR during a given year. What is the median temperature for the year?

When you add two fractions with different denominators you must find a common denominator.

Plot the points in the coordinate plane. A. B. C. D.

A submarine was cruising 250 m below the surface of the water. It began to rise toward the surface at 25 m per minute. After 5 minutes what was its depth below the surface?

Subtract the fractions. Reduce to simplest form.

The mass of bacteria (in micrograms) in a Petri dish for different times is shown in the table below. What is the mass of the bacteria (in mcg) at 9:30 am?

The resistance R of a wire (in ohms) is related to its length L (in meters) and its diameter d (in meters) by the formula . Find a formula for d .

A population of rabbits was tracked over a 55-day period. The data is shown in the following graph. How did the population of rabbits change between day 3 and day 20?

and are like terms.

Linear Equations and Inequalities With One Variable

Linear Equations With Two Variables

Systems of Linear Equations

Exponents and Polynomials

Factoring and Quadratic Equations

Rational Expressions and Equations

Radical Expressions and Equations

Modeling Data

Filters

Subtract the fractions. Reduce to simplest form. $Subtract the fractions. Reduce to simplest form.$

Subtract the fractions. Reduce to simplest form. $Subtract the fractions. Reduce to simplest form.$

Subtract the fractions. Reduce to simplest form. $Subtract the fractions. Reduce to simplest form.$