Practice Test

Question 1

The formula to determine energy is cap e is equal to 1 half m v squared What is the formula solved for v ?

Revolt · Accepted Answer

B: v is equal to plus or minus square root of 2 cap e over m end root

Question 2

Layna can paint a 350-square foot room in 4 hours. It takes Bebe 7 hours to paint the same room. Which equation can be used to find the time in hours, t, it takes Layna and Bebe to paint the room together? Rate (Rooms per Hour) Time (Hours) Fraction Completed Layna 1 fourth Bebe 1 seventh

Revolt · Accepted Answer

B: 1 fourth t plus 1 seventh t is equal to 1

Question 3

Celo used the simple interest formula cap A is equal to cap p times open paren 1 plus r t close paren to calculate the interest he earned on his savings last month. Which equation is equivalent to the simple interest formula?

Revolt · Accepted Answer

B: cap p is equal to the fraction with numerator cap A and denominator 1 plus r t

Question 4

It takes Franklin 14 hours to make a 200 -square-foot cement patio. It takes Scott 10 hours to make the same size patio. Which equation can be used to find x , the number of hours it would take Franklin and Scott to make the patio together?

Revolt · Accepted Answer

D: 1 over 14 x plus 1 tenth x is equal to 1

Question 5

What is the coefficient of the x squared -term of the algebraic expression 2 x to the 4th power plus x squared minus x plus 7 ?

Revolt · Accepted Answer

D: 1

Question 6

Which graph shows all the values that satisfy 2 ninths x plus 3 is greater than 4 and 5 ninths ?

Revolt · Accepted Answer

C: Image with description A number line lists negative 10 to 10 by 5. An open circle is on 7. An arrow goes to the right of 7.

Question 7

Which graph shows the solution set of the compound inequality 1 point 5 x minus 1 is greater than 6 point 5 or 7 x plus 3 is less than negative 25 ?

Revolt · Accepted Answer

B: Image with description A number line lists negative 10 to 10 by 5. An open circle on negative 4 and another one on 5, and the arrows go in opposite directions.

Practice Test Answers

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