Name:_________________ Date:________ Roll No.____ Topic: Estimating surds & working with Linear functions and graphs Q1) Answer the following questions. a) Circle the values which are Surds. √251 √9 √π √4π + 10 b) Write √210 as an inequality. c) Simplify the following Surds. i) √25 × 3√5 ii) √9 × 3√3 iii) √18 × √2 Q2) Plot a straight line on the graph below when y = 4. Pg. 1 of 1 Name:_________________ Q3) A line passes through A(3,7)and B(6,13). Date:________ Roll No.____ the points 1. Find the slope of the line passing through these points. 2. If the slope remains the same, find the y-coordinate of the point C(9, y) on the same line. 3. Write the equation of the line in slope-intercept form. Q4) Plot the graph for the following linear equation: y=2x+3. Use at least five values of x (e.g., x=−2,−1,0,1,2x = -2, -1, 0, 1, 2) and find the corresponding values of y. Mark the points on the graph and draw the line. Pg. 1 of 1 Name:_________________ Date:________ Roll No.____ Q5) Phone plan costs $20 per month plus $0.10 per minute. Write a linear equation to model the monthly cost, C, in terms of the number of minutes, m. Q6) A. What is the slope-intercept form of a linear equation? B. What does the "m" represent in the slope-intercept form? C. What does the "b" represent in the slope-intercept form? D. Find the slope of the line passing through the points (2, 3) and (5, 9). E. What is the slope of a horizontal line? Q1 & 2>> Aditya Singh 26 Q3 & 4>> Anika Verma 28 Q5 & 6>> Dhiaan Zaveri 30 Pg. 1 of 1