(x+2)2+(y-4)2=25
Add.
(8+2i)+(5i-2)+(-3-10i)
3-3i
Why shouldn't you argue with a 90 degree angle?
Because its always right.
Factor.
x2-3x-18
(x+3)(x-6)
A 4 sided polygon
Quadrilateral
Describe the relationship between inscribed angles, central angles, and the intercepted arc measure.
Central angles = Intercepted arc measures
Inscribed angles = 1/2 Intercepted arc measures
Solve the equation.
2x2=-72
x=6i and x=-6i
Describe what happens in the dilation below:
D1/3(WXYZ)
Sides proportional , Angles preserved
Factor and solve.
2x2-5x-3=0
(2x+1)(x-3)=0
x=-1/2 and x=3
A convex polygon with an internal angle sum of 720 degrees.
a hexagon
You have a circle with a radius of 10in. A measured arc length is 5pi. What is the central angle?
90 degrees
Multiply
(x-4)(x2+3x+5)
x3-x2-7x-20
Given: f(x)=2(x-4)2-7
Write the function h(x) if f(x) is translated 3 unit up and 5 units left.
h(x)=2(x+1)2-4
Factor.
18x3+27x2-45x
9x(2x2+3x-5)
A quadrilateral with no parallel sides and two sets of congruent sides that are adjacent.
A kite
6pi or approx. 18.85ft2
Complete the square and solve.
x2+24x+___=-128+ ____
___ is 144.
x=-8 and x=-16
The population of Chicago is growing at a 7.5% rate every year. If the population in 2000 was 600,000 what is the population in 2026?
600,000(1.075)26
3.93 million
Solve.
x2-64=0
x=8
x=-8
A Rectangle with 4 congruent sides
A square.
Find the volume of a cone with a radius of 3cm and a height of 4 cm. (Leave answer in terms of pi.)
12pi
What is the vertex of the parabola below.
x2-8x+10=0V(4,-6)
Use -b/2a formula for the x-coordinate, then plug in to find y.
If the cos(X)=5/8,
What is tan(x)?
"DRAW THE TRIANGLE!" -Pythagoras
sqrt(39)/5
Solve.
x2-x-1=0
1+sqrt(5)/2
1-sqrt(5)/2
A quadrilateral with one set of parallel sides and one right angle
A right trapezoid.