Solve for x
Solve for x
Use the quadratic formula to solve for x.
Leave your answer in square root form.
Determine the number of solutions for:
For the quadratic function:
Find the y-intercept and the roots/solutions/x-intercepts.
For the quadratic function:
Find the equation of the axis of symmetry.
For the quadratic function:
Find the coordinates of the vertex and hence sketch the function showing all the significant points on your graph.
Re-write
in the vertex form and hence sketch the graph showing all significant points on your graph.
The temperature T, in a greenhouse t hours after 7pm is given by the function:
Find the temperature in the greenhouse at 7pm.
For the greenhouse in Q9, at what time is the temperature a minimum?
Give you answer as an actual time.
Also for the greenhouse in Q9, find the minimum temperature.
Give your answer in
ABCD is a rectangle in which AB=21cm.
The square AXYD is removed and the remaining rectangle has area 80cm².
Find the length BC.
!! EXTENSION Q !!
This Q is not part of the summative but any points gained here can be used to offset your errors at the teachers discretion.
