Question 1

Find an equation of the circle that satisfies the given conditions. Radius 3 and center (   7,   8)

Accepted Answer

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

Question 2

Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b .

Accepted Answer

A)    
B)    
C)    
D)  y is not a linear function of x 
A)    
B)    
C)    
D)  y is not a linear function of x

Question 3

Find an equation of the line passing through the origin and parallel to the line passing through the points (2,13) and (5,25).

Accepted Answer

A)  y = 4x + 5 
B)  y = 4x 
C)  y = 3x 
D)  y = 5x - 4 
A)  y = 4x + 5 
B)  y = 4x 
C)  y = 3x 
D)  y = 5x - 4

Question 4

Find an equation of the circle that satisfies the conditions.
Center   and passes through

Accepted Answer

The answer of Find an equation of the circle that...

Question 5

Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false. The lines with equation   and   , where   and   , are perpendicular to each other.

Accepted Answer

A) a 
B) b 
A) a 
B) b

Question 6

Refer to the accompanying figure and determine the coordinates of the given point and the quadrant in which it is located.

Accepted Answer

A)  (   4,   3); Quadrant III 
B)  (4, 3); Quadrant I 
C)  (4,   3); Quadrant IV 
D)  (   4, 0); Quadrant II 
E)  (   4, 3); Quadrant II 
A)  (   4,   3); Quadrant III 
B)  (4, 3); Quadrant I 
C)  (4,   3); Quadrant IV 
D)  (   4, 0); Quadrant II 
E)  (   4, 3); Quadrant II

Question 7

The accompanying table gives the projected state subsidies (in millions of dollars) to the Massachusetts Bay Transit Authority (MBTA) over a 5-yr period.   Find an equation of the least-squares line for these data. Use the result to estimate the state subsidy to the MBTA for the sixth year (x = 6).

Accepted Answer

A)  y = 2.7x + 17.8; $34,100,000 
B)  y = 2.8x + 17.6; $34,600,000 
C)  y = 2.8x + 17.6; $34,400,000 
D)  y = 2.7x + 17.8; $34,000,000 
A)  y = 2.7x + 17.8; $34,100,000 
B)  y = 2.8x + 17.6; $34,600,000 
C)  y = 2.8x + 17.6; $34,400,000 
D)  y = 2.7x + 17.8; $34,000,000

Question 8

Match each graph below with the letter of the corresponding slope description.
a.The slope of the line is zero.
b.The slope of the line is negative, and its y-intercept is negative.
c.The slope of the line is positive, and its x-intercept is positive.
-

Accepted Answer

The answer of Match each graph below with the letter...

Find an equation of the circle that satisfies the given conditions. Radius 3 and center ( 7, 8)

Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b .

Find an equation of the line passing through the origin and parallel to the line passing through the points (2,13) and (5,25).

Find an equation of the circle that satisfies the conditions. Center and passes through

Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false. The lines with equation and , where and , are perpendicular to each other.

Refer to the accompanying figure and determine the coordinates of the given point and the quadrant in which it is located.

The accompanying table gives the projected state subsidies (in millions of dollars) to the Massachusetts Bay Transit Authority (MBTA) over a 5-yr period. Find an equation of the least-squares line for these data. Use the result to estimate the state subsidy to the MBTA for the sixth year (x = 6).

Match each graph below with the letter of the corresponding slope description. a.The slope of the line is zero. b.The slope of the line is negative, and its y-intercept is negative. c.The slope of the line is positive, and its x-intercept is positive. -

Systems of Linear Equations and Matrices

Linear Programming: a Geometric Approach

Linear Programming: an Algebraic Approach

Mathematics of Finance

Sets and Counting

Probability

Probability Distributions and Statistics

Markov Chains and the Theory of Games

Filters

Exam 1: Straight Lines and Linear Functions

Find an equation of the circle that satisfies the given conditions. Radius 3 and center ( 7, 8)

Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b .

Find an equation of the line passing through the origin and parallel to the line passing through the points (2,13) and (5,25).

Find an equation of the circle that satisfies the conditions. Center and passes through

Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false. The lines with equation and , where and , are perpendicular to each other.

Refer to the accompanying figure and determine the coordinates of the given point and the quadrant in which it is located.

The accompanying table gives the projected state subsidies (in millions of dollars) to the Massachusetts Bay Transit Authority (MBTA) over a 5-yr period. Find an equation of the least-squares line for these data. Use the result to estimate the state subsidy to the MBTA for the sixth year (x = 6).

Match each graph below with the letter of the corresponding slope description. a.The slope of the line is zero. b.The slope of the line is negative, and its y-intercept is negative. c.The slope of the line is positive, and its x-intercept is positive. -

Systems of Linear Equations and Matrices

Linear Programming: a Geometric Approach

Linear Programming: an Algebraic Approach

Mathematics of Finance

Sets and Counting

Probability

Probability Distributions and Statistics

Markov Chains and the Theory of Games

Filters