What is the y-intercept of y=3x2+5x-10?
y=-10
Solve 5x+1=11
x=2
x3*x5=?
x8
Find median of data set: 1,4,6,7,10,13
6.5
Log 100
2
Downwards
Solve 3x+10=10
x=0
x10/x6=?
x4
Find the range of data set: 2,3,6,8,14,62
60
log 10 * log 10
1
What is the axis of symmetry of function y = 4x2+8x-1
x=-1
Solve 5x+2=2x+29
x=9
x0
1
Teacher Fact: When does Li normally leave home on weekdays?
7:00 in the morning
4
Factorise and find the solution to y=x2+4x-5
x1=-1, x2=5
State the domain of function y=1/x
x can be any real number but cannot be 0
Simplify (x3)4
x12
Find the mean of data set: 2,4,6,9,35,89,25,78
31
log 1
0
Use the Perfect Square method to factorise y=x2+6x+10 into the vertex form y=(x-h)2+k. What is the coordinate of its vertex?
(-3,1)
Solve 1/x=6
x=1/6
(x10)4/(x5*x7)
x28
State the type of distribution of data set: 1,1,1,1,1,3,3,3,5,7,8,9,10,12,14,23,34,56,57,57,60
Positive distribution
log 0.1
-1