General Grade 10 knowledge
logarithmic
Algebra
Functions and Inverse Functions
Mental Math
100
What is the Quadratic Formula?
100
log525
2
100
y2 x y
y2 x y= y3
100
find the inverse of the function f(x) = 2 x y
f-1(x) = y/2
100
8 + 8 x 8
8x8= 64
64+8= 72
200
What is the value of sin 30
0.5
200
log10
1
200
A chocolate bar costs c pence and a drink costs d pence. Write down an expression for the cost of 2 chocolate bars and 2 drinks.
2c+2d
200
is this graph a function?
No. we can use the vertical line test to determine that it is not a function.
200
44
4 x 4 =16
16 x 4= 64
64 x 4= 256
300
What is the formula of sin
sin = opp/hyp
300
log10000
4
300
Simplify the expression 4m+5+2m-1
4m+2m=6m
5-1=4
6m+4
300
What is the purpose of the horizontal line test?
It is used to check if the inverse of a graph or equation is a function.
300
1111111 x 0 x 1
1111111 x 0 = 0
0x1= 0
400
How many angels are in a circle?
4 or 0 are both correct answers.
400
Find x if log5(x-7)=1
51=x-7
5=x-7
x=x+7
x=12
400
give an expression of P multiplied by 7
7P
400
f(x) = -2x2 + 6x - 3
Find f(-2)
f(-2)= -2(-2)2 + 6(-2) -3
-8 + -12 -3= -23
f(-2)= -23
400
33/3
33/3 = 11
500
11,8,5,2....
Find the formula.
After you find the formula calculate the 50th number.
Formula: Un = -3n +14
U50 = -3 x 50 +14 =-136
500
log7 + log6 -log3=
log7 + log6= log42
log42 - log3 = log 14
500
Simplify the following algebraic function:
X2-4
----------
X2+4x+4
X2-4 (x+2) (x-2) x - 2
---------- = --------------- = --------
X2+4x+4 (x+2) (x+2) x + 2
500
Find the range of
f(x) = -x2 - 10
-x2 <= 0
-x2 - 10 <= -10
f(x) <= -10
(-∞ , -10]
500
12 x 12 x 11 x -36 x 54 +26534
12 x 12= 144
144 x 11 = 1584
1584 x -36 = -57024
-57024 x 54 = -3079296
-3079296 + 26534 = -3052762