The graph below is a parabola, so it can be represented by a quadratic function. Which of the following quadratic functions coul
d represent this graph.
y=-(x-2)^2-4
y=(x-2)^2+4
y=-(x+2)^2+4
y=-(x-2)^2+4
y=-(x-2)^2-4
y=(x-2)^2+4
y=-(x+2)^2+4
y=-(x-2)^2+4
2 answers:
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Answer:
a) the gradient of the linear graph is:
b) the y-intercept of linear graph is -1
Step-by-step explanation:
a) Find the gradient of the linear graph.
The formula used to find gradient is same as slope
Take any 2 points from the graph.
I will take: (-3,0) and (0,-1)
Putting values in formula and finding gradient
So, the gradient of the linear graph is:
b) Find the y-intercept of linear graph
The y-intercept of linear graph is the value of y at the point where the line crosses the y axis.
So, in the given graph, that point is -1
So, the y-intercept of linear graph is -1