Maths practice test Term 3 incorrect questions

Hence, determine the maximum

possible area of the paddock. (2 marks)

0 marks

Sketch the graph showing the path of

the arrow. (2 marks)

(forgot the domain and range) 1 mark

A parabola has x-intercepts of 0 and 4.

Another point on the parabola is (1,9).

Determine the equation of the parabola. (3 marks)

1 mark

log_c 1/c² (1 mark)

(0 marks) forgot to take the two out of c²

3^x x 5^x-1 = 10 125 (2 marks)

(0 marks) couldn’t see that 10 125 = 81×125

5^x-1 = 2^x (3 marks)

(2 marks)

y = 2^x +1 (3 marks)

(2 marks) didn’t plot other point and for asymptote said x=1 and not y=1 (asymptote line was correct though)

y=(x+1)³ -1 (3 marks)

(2 marks) put the graph on wrong side ( postitive even though I figured out it was negative)

xy/2 = -2

(0 marks)algerbra wrong & then drew line even though its non-linear functions

What is the domain of the function

f(x)= x+5/x=5 (1 mark)

(0 marks) didnt know how to aproach it

State the range of 𝑓(𝑥)=-√(x-3) (1 mark)

(0 marks) didn’t know

Find the values of 𝑚 for which the line 𝑦=𝑚𝑥+9 is tangent to the circle x²+y²=9 (3 marks)

(0 marks)didn’t know