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Introduction to Polynomials: Practice 3

Section A: Core Practice

Question 1mcq
Which table shows a linear relationship?
A.(1,8),(2,8),(3,9)(1,8),(2,8),(3,9)
B.(1,3),(2,5),(3,7)(1,3),(2,5),(3,7)
C.(1,1),(2,4),(3,9)(1,1),(2,4),(3,9)
D.(1,2),(2,5),(3,10)(1,2),(2,5),(3,10)
Question 2mcq
For the line y=3x−5y=3x-5, what are the slope and y-intercept?
A.Slope 3x3x, y-intercept 55.
B.Slope 33, y-intercept −5-5.
C.Slope −3-3, y-intercept 55.
D.Slope −5-5, y-intercept 33.
Question 3mcq
For the line y=3x−5y=3x-5, what are the slope and y-intercept?
A.Slope −5-5, y-intercept 33.
B.Slope 33, y-intercept −5-5.
C.Slope −3-3, y-intercept 55.
D.Slope 3x3x, y-intercept 55.
Question 4mcq
Which is a statistical investigative question?
A.Is 77 a prime number?
B.How many hours do students in Grade 9 study on a typical weekday?
C.What is the formula for area of a circle?
D.What is 2+32+3?
Question 5mcq
Tickets cost ₹50₹50 for adults and ₹30₹30 for children. If xx adults and yy children attend, which equation models total collection ₹430₹430?
A.30x+50y=430030x+50y=4300
B.50x+30y=43050x+30y=430
C.50x−30y=43050x-30y=430
D.x+y=430x+y=430

Section B: Application Practice

Question 6mcq
A student must solve a computational thinking in algebra problem accurately. Which approach shows good step-by-step mathematical thinking?
A.Break the problem into smaller steps, apply the correct rule, and check the result.
B.Change the given data to make calculation easier.
C.Ignore units, labels and conditions.
D.Guess the answer without checking.
Question 7mcq
Which table shows a linear relationship?
A.(1,2),(2,5),(3,10)(1,2),(2,5),(3,10)
B.(1,8),(2,8),(3,9)(1,8),(2,8),(3,9)
C.(1,1),(2,4),(3,9)(1,1),(2,4),(3,9)
D.(1,3),(2,5),(3,7)(1,3),(2,5),(3,7)
Question 8mcq
For the line y=3x−5y=3x-5, what are the slope and y-intercept?
A.Slope 3x3x, y-intercept 55.
B.Slope −5-5, y-intercept 33.
C.Slope 33, y-intercept −5-5.
D.Slope −3-3, y-intercept 55.
Question 9mcq
For the line y=3x−5y=3x-5, what are the slope and y-intercept?
A.Slope 33, y-intercept −5-5.
B.Slope −5-5, y-intercept 33.
C.Slope −3-3, y-intercept 55.
D.Slope 3x3x, y-intercept 55.
Question 10mcq
Which is a statistical investigative question?
A.Is 77 a prime number?
B.What is 2+32+3?
C.How many hours do students in Grade 9 study on a typical weekday?
D.What is the formula for area of a circle?