Search topics

Search
1 of 8 0-day streak

Read parabola features from a graph

DIFFICULTYintrostandardchallengeexam
QUESTION TYPEMix of allChange
Graph reading 1Graph reading 2Graph reading 3Graph reading 4Graph reading 5Graph reading 6NOWMix of allRecommended
Question 1 of 8

No calculator

The graph below shows a parabola. Read the requested features from the graph

Use the labelled axis scale and enter exact values

Cartesian graph with horizontal axis x and vertical axis y. The curve is y = -(x-2)^2. The window is x from -2 to 4 and y from -5 to 1. Marked coordinates are V, x₁=(2,0), Y=(0,-4). Grid lines are spaced by one horizontal unit and 1 vertical unit; use the numbered scales.-2-112340-5-4-3-2-11V, x₁Yxy
(a)1 mark

What is the equation of the vertical line through the turning point?

(b)1 mark

Does the graph reach a highest value or a lowest value at its turning point?