Teachoo MCQ Test

Assertion Reasoning Quiz

Chapter 2 Class 9 - Introduction to Linear Polynomials (Ganita Manjari | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 480
Question 1 of 5
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Question 1 of 5
Assertion (A): If \(P(x)=5 x-2\), then \(P(2)=8\).
Reason (R): In a linear polynomial of the form \(P(x)=a x+b\), the y -intercept is \(b\).
Select one option. Answers are shown after the test.
Question 2 of 5
Assertion (A): The graph of the equation \(y=-3 x\) passes through the origin.
Reason (R): The slope of the line \(y=-3 x\) is negative.
Select one option. Answers are shown after the test.
Question 3 of 5
Assertion (A): A car depreciating in value by Rs. 10,000 every year is an example of linear decay.
Reason (R): The graph of the car's value over time will be a straight line with a negative slope.
Select one option. Answers are shown after the test.
Question 4 of 5
Assertion (A): The equation \(y=50+10 x\) can be used to represent a linear growth scenario.
Reason (R): The slope of the line representing this equation is a positive value.
Select one option. Answers are shown after the test.
Question 5 of 5
Assertion (A): The line representing data usage cost \(y=15 x+200\) is visually steeper than \(y=10 x+300\).
Reason (R): The \(y\)-intercept of the first line (200) is less than the \(y\)-intercept of the second line (300).
Select one option. Answers are shown after the test.