Free Math Questions Calculator Not Permitted Exam 3

Question 1

If line is translated up 5 units and right 7 units, then what is the slope of the new line?

Accepted Answer

Question 2

The mean number of students per classroom, y, at Central High School can be estimated using the equation y=0.8636 x + 27.227 , where x represents the number of years since 2004 and x less or equal than 10. Which of the following statements is the best interpretation of the number 0.8636 in the context of this problem?

Accepted Answer

The estimated yearly increase in the mean number of students per classroom

Answer

The estimated mean number of students per classroom in 2004

Answer

The estimated mean number of students per classroom in 2014

Answer

The estimated yearly decrease in the mean number of students per classroom

Question 3

What is the value of a + 7 ?

Accepted Answer

10

Answer

12

Answer

7

Answer

51

Question 4

What is y in terms of a ?

Accepted Answer

Question 5

What is 2y + z in terms of x?

Accepted Answer

Question 6

Which of the following equations gives a in terms of x ?

Accepted Answer

Question 7

The graph of y =(2 x - 4 )( x - 4 ) is a parabola in the xy-plane. In which of the following equivalent equations do the x- and y-coordinates of the vertex of the parabola appear as constants or coefficients?

Accepted Answer

Question 8

Which of the following is equal to (14 - 2i) ( 7 + 12i ) ?

Accepted Answer

122 + 154i

Answer

74

Answer

122

Answer

74 + 154i

Question 9

In the equation above, what is the value of k?

Accepted Answer

Question 10

Based on the system of equations above, what is the value of the product xy?

Accepted Answer