How can we tell from an equation if a graph is quadratic?
Its highest term is an \({x}\) term
Its highest term is an \({x^2}\) term
Its highest term is an \({x^3}\) term
What is the value of \({y}\) for \({y}\) = \({x^2}\) –1, if \({x}\) = 3?
2
5
8
What is the value of \({y}\) for \({y}\) = 2\({x^2}\) – 8, if \({x}\) = 2?
0
-4
What is the value of \({y}\) for \({y}\) = 5\({x^2}\) + \({x}\) + 1, if \({x}\) = -1?
-5
7
How can we tell from an equation if a graph is cubic?
What is the missing value in this table?
10
15
What is significant about exponential graphs?
They decrease rapidly in the \({y}\) direction
They increase rapidly in the \({y}\) direction
They increase rapidly in the \({x}\) direction
What is the equation of this graph?
\[{y}~=~{x^3}\]
\[{y}~=~{x^2}\]
\[{y}~=~\frac{1}{x}\]
This graph will help you answer questions 9 & 10:
What are the solutions to \({-x}\)2 + 6\({x}\) - 5 = 0?
-5 and 0
1 and 5
2 and 4
What are the solutions to \({-x}\)2 + 6\({x}\) - 5 = 2?
2.5 and 3.5
3 and 3
1.5 and 4.5