Practice Exam Answers

If f of negative 5 is equal to 0 , what are all the factors of the function f of x is equal to x cubed minus 19 x plus 30 ? Use the Remainder Theorem.

A savings account pays 2 percent interest compounded annually. If 1 dollars comma 200 is deposited initially and again at the first of each year, how much money will be in the account three years after the initial deposit?

What is the sum of 12 minus 5 i and negative 3 plus 4 i ?

Solve for x in the equation x squared plus 11 x plus 121 fourths is equal to 125 fourths

Which second degree polynomial function has a leading coefficient of 2 and roots negative 3 and 5 ?

The cost of producing x soccer balls in thousands of dollars is represented by h of x is equal to 5 x plus 6 The revenue is represented by k times x is equal to 9 x minus 2 Which expression represents the profit, open paren k minus h close paren times x , of producing soccer balls?

For what value of c is the function one-to-one? start set open paren 1 comma 2 close paren comma open paren 2 comma 3 close paren comma open paren 3 comma 5 close paren comma open paren 4 comma 7 close paren comma open paren 5 comma 11 close paren comma open paren 6 comma c close paren end set

Which is a factor of f of x is equal to 60 x to the 4th power plus 86 x cubed minus 46 x squared minus 43 x plus 8 ? Use the Rational Root Theorem to help you find your answer.

What is the value of i raised to the 20 plus 1 power ?

One root of a third degree polynomial function f of x is negative 5 plus 2 i Which statement describes the number and nature of all roots for this function?

Lionel computed the average rate of change in the depth of a pool over a two-week interval to be zero. Which statement must be true?

Haji rows his canoe 10 mph in still water. He noticed one day that he could row 4 miles upstream in the same amount of time he could row 6 miles downstream. What was the approximate speed of the current that day?

Which statement about 4 x squared plus 19 x minus 5 is true?

Which equation represents a graph with a vertex at open paren 1 comma negative 6 close paren ?

You can use a system of equations to graph and solve the polynomial equation 3 x cubed plus x is equal to 2 x squared plus 1 Which statement is true?

The volume of a rectangular prism is given by the formula cap v is equal to l w h , where l is the length of the prism, w is the width, and h is the height. Which expression represents the volume of the following rectangular prism? Expand Image

Vicky is solving an equation where both sides are linear expressions. She sets each linear expression equal to y and graphs the resulting system. If the y -intercepts of the graphs are the same but the slopes are different, what is the greatest possible number of intersections for these graphs?

The side length, s , of a cube is 3 x plus 2 y If cap v is equal to s cubed , what is the volume of the cube?

A polynomial function has a root of negative 6 with multiplicity 3 and a root of 2 with multiplicity 4 If the function has a negative leading coefficient and is of odd degree, which could be the graph of the function?

The area of a rectangle is open paren x cubed minus 5 x squared plus 3 x minus 15 close paren , and the width of the rectangle is open paren x squared plus 3 close paren If area is equal to length times width , what is the length of the rectangle?