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 Blank

Q6. Based on the graph, what is the solution of the system of linear equations?

(

,

)

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

Fill in the Blank

Q8. Using Substitution, solve for the system of linear equations:

$$x=-3y+1\ \ \ \ \ \ \ \ \ \ \ \ \ \ \$$ $$-3x-3y=-15$$

(

,

-

)

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)

Fill in the Blank

Q11. A collection of ordered pairs in which the first element is related to the second element.

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

Fill in the Blank

Q15. Evaluate f(-2) if f(x) = x+3

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