Algebra
Solve:
2a+3=6
a=3/2 or 1.5
What is the period of:
y=tan(x)
180˚ or 𝛑
What is the absolute error of 0.00001m
±0.000005m
Is this a Function:
=(x+2)/(x^2-2)
Yes
Is this a polynomial?
p(x)=x2-1/x
No.
Expand and simplify:
(x-3)2-(b+1)2+(-3b-x)2
2(x2-3x+4+4x2-b+3bx)
Sketch:
Y=sin(x-1)
Graph with correct xintercepts, and y int of -0.841
List the first 10 numbers in fibonacci sequence
0,1,1,2,3,5,8,13,21,34
Domain and range of:
Y=Sqrt(-x^2 +225)
-15<=x<=15
0<=y<=15
Sketch:
Y=(x2-x)/x
Correct sketch of y=x-1
Solve 3x^2-30x=0, by completing the square
X=0,10
prove:
Sin(x)=cos(90-x)
correct proof
Find the line perpendicular to:
Y=2(X-6)
And passes 0,6
KEEP IN SAME FORM AS QUESTION
Y=-1/2 (x-12)
Restrict for the inverse:
X^2-5y+10
X>=3.75
Find the remainder when:
9x^3+7x^2-x+16 is divided by (x^2-3)
319
Sketch the inequality:
4x^2-12x+9>0
Correct values shaded.
In right triangle ABC, where angle A measures 90 degrees, side AB measures 15 and side AC measures 36, what is the length of side BC?
39 units
Name Eulers identity
E^i*θ= Cos(θ)+i*sin(θ)
OR
E^i*π +1 =0
At Joe's pizzeria a pizza costs $5 with the first topping, and then an additional 75 cents for each additional topping.
If x represents the number of toppings on a pizza, what function represents the cost of a pizza with at least one topping?
f(x)=0.75(x−1)+5
Solve
x4−2x2+1
Solve:
|(|2x-5|)-3|=8
X=-8,3
Solve:
Sin(x)2-2cos(x)2=2sin(x)cos(x)
135deg,310deg
the average rate of increase between numbers is 1.618. (also known as the golden ratio)
Sketch:
Y=1/(x-1)
And its inverse, stating all intercepts, and points of intersections
Points of intersection: 1.618,1.618 AND -0.618,-0.618
completely factorise
X^3-9x^2
X(x-3)(x+3)