By factorising a function, you can find the value of x-intercepts by substituting f(x)=0
By plotting a graph, you can check the values of x-intercepts
Answer:
see below
Step-by-step explanation:
sqrt(20)
sqrt(4*5)
We know that sqrt(ab) = sqrt(a) sqrt(b)
sqrt(4) sqrt(5)
2 sqrt(5)
Answer:
98000
Step-by-step explanation: