Question 1

Solve graphically: 4y = -5x and x = -6

Accepted Answer

The answer of Solve graphically: 4y = -5x and x...

Question 2

Solve the equation for x and find slope and x-intercept of 2x + 4y = 8

Accepted Answer

A)  -2, 4 
B)  -  ,2 
C)  -4,8 
D)  -2,8 
E)  4,-2

Question 3

Solve graphically: 0.2y = 0.1x + 2 and 0.3x + 0.2y = 2.4

Accepted Answer

The answer of Solve graphically: 0.2y = 0.1x + 2...

Question 4

Graph: 5x + 4y = 20

Accepted Answer

The answer of Graph: 5x + 4y = 20...

Question 5

My son and daughter were born two years apart. 9 years ago, my son was twice the age of my daughter. What are their ages now?

Accepted Answer

A)  12, 10 
B)  4, 2 
C)  16, 14 
D)  22, 20 
E)  13, 11

Question 6

Solve the system of equations:  -  = 6
3x + 4y = 12

Accepted Answer

The answer of Solve the system of equations:  -...

Question 7

Solve and find the value of a, given 3a + 4b = 20 and 2a + b = 15

Accepted Answer

A)  a =  
B)  a = 7 
C)  a = 5 
D)  a = -1 
E)  a = 8

Question 8

Graph: 2x - 4y = 10

Accepted Answer

The answer of Graph: 2x - 4y = 10...

Question 9

Solve graphically: 4x + 3y = 12 and 3x - 4y = -24

Accepted Answer

The answer of Solve graphically: 4x + 3y = 12...

Question 10

Solve graphically: 2y = x + 200 and 3x + 2y = 240

Accepted Answer

The answer of Solve graphically: 2y = x + 200...

Question 11

Find the slope and y-intercept: 4 -  y = 2x

Accepted Answer

The answer of Find the slope and y-intercept: 4 -...

Question 12

Solve and find the value of y, given 3x + 5y = 5 and x + 2y = 1

Accepted Answer

The answer of Solve and find the value of y,...

Question 13

Find the slope of the line: 2y = 4(y + 2)

Accepted Answer

A)  0 
B)  2 
C)  4 
D)  0.5 
E)  1

Question 14

Find the slope and y-intercept: 10 -  y = 8x

Accepted Answer

The answer of Find the slope and y-intercept: 10 -...

Question 15

Graph: 3x - 2y = 18

Accepted Answer

The answer of Graph: 3x - 2y = 18...

Question 16

Graph: 7x + 4y = 0

Accepted Answer

The answer of Graph: 7x + 4y = 0...

Question 17

Solve graphically: 2x = -5y and 3x + y = 9

Accepted Answer

The answer of Solve graphically: 2x = -5y and 3x...

Question 18

The Oak Store has been producing 4640 chairs a day working two shifts. The second shift has produced 120 chairs fewer than four-thirds of the number of chairs produced by the first shift. Determine the number of chairs each shift has produced.

Accepted Answer

The answer of The Oak Store has been producing 4640...

Question 19

Solve graphically: x - y = 4 and x + y = 6

Accepted Answer

The answer of Solve graphically: x - y = 4...

Question 20

Graph: x = 7

Accepted Answer

The answer of Graph: x = 7...

Exam 4: Linear Systems