Math Enhancement Activity on LETVs, Relation and Functions

Multiple Choice

Q1. What is the slope (𝑚) and y – intercept (𝑏) of the equation 𝑦 = 2𝑥 - 4?

• 
  𝑚 = 4 𝑎𝑛𝑑 𝑏 = 2

• 𝑚 = – 4 𝑎𝑛𝑑 𝑏 = 2

• 
  𝑚 = 2 𝑎𝑛𝑑 𝑏 = – 4

• -𝑚 = 2 𝑎𝑛𝑑 𝑏 = 4

Multiple Choice

Q2. The line passes through the point (0,3) and has a slope of 2. What is the equation of a line in slope-intercept form?

• 
  𝑦 = 1/2 𝑥

• 𝑦 = 2𝑥 + 3

• 
  𝑦 = 3𝑥 + 2

• 𝑦 = 3

Multiple Choice

Q3. Which equation represents the given graph?

• 
  y = 1/2 x - 3

• y = 2x + 3

• y = -2x + 3

• y = -3x + 2

Multiple Choice

Q4. What is the equation of the line that passes through the points ( 7 , 8 ) , and ( 6 , 2 ) ?

• y = 6x+34

• y=−6x+34

• y=−6x−34

• 
  y=6x−34

Multiple Choice

Q5. Is (1, 2) a solution to the system:

3x - 2y = 1

x + 4y = 9

• Yes, (1, 2) is the solution

• No, (1, 2) is not the solution

Fill in the Blanks

Categorize

Options (6)

Intersecting Lines

Coinciding Lines

Parallel Lines

exactly one solution

infinitely many

no solution

Q7. Organize these options into the right categories:

Consistent & Independent

Consistent & Dependent

Inconsistent

Multiple Choice

Q9. What would be the first step in finding the solution using elimination?
2x + 2y = -2

3x - 2y = 12

• It cannot solve by using elimination

• Cross out the 2y and -2y

• Cross out the 2x and 3x

• 
  Change to slope intercept form and graph

Multiple Choice

Q10. Solve by elimination:
4x+9y=28
-4x-y=-28

• 
  (7,0)

• (6,0)

• 
  (-6,0)

• (-7,0)

Multiple Choice

Q12. Which of the following sets of ordered pairs represents a function?

• 
  { (0,2), (1, 3), (2, 4), (3, 5), (4, 6) }

• 
  { (0,2), (1, 3), (1, 4), (3, 5), (3, 6) }

• { (0,1), (0, 2), (0, 3), (0, 4), (0,5 ) }

• { (0,0), (4, 2), (4,-2), (9,3 ),(9,-3) }

Dropdown

Q13.​ Is the illustration, a graph of a function?​

Select answer

Dropdown

Q14.​ Does the given table of values represent a function?​​

Select answer

Multiple Choice

Q16. For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• 
  D: {1, -3, -4,}
  R: {0, 1, 2, -4}

• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

• D:{0, 1, 2, -4}
  R:{1, -3, -4}

• 
  D:{0, 1, 2, 3}
  R:{0, 1, 2, 3, 4}

Multiple Choice

Q17. Based on the given graph, what is the domain?

• [-2, 3]

• 
  (-2, 3]

• 
  (-2, 3)

• 
  [-2, 3)

Multiple Choice

Q18. Based on the given graph, what is the range?

• 
  (−∞, −3]
  

• (−∞,3]

• [−3, ∞)  

• None of the answer choices