1/5 Marks
Homework Progress
a) Complete the table of values for y = x2 β 2x - 3
Ρ
-2 -1 0 1 2 3
y 50 -3 -305
θ²
4.
Π Π²
-4
Π‘
b) i) Which of the three curves drawn
matches y = x2 - 2x - 3?
-5 -4 -3
-2
ii) Estimate the value of y
when x = 2.5
iii) Find the values of x
when y = 1
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Overview
Drawing Quadratic Graphs
Select the correct answer. what is the exact value of sin (157.5Β°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)