Unit 4
Solve the system by setting equal:
y=2x+1
y=4-x
(1,3)
if f(x)=3x and g(x)=2x+9
What is f(g(5))?
57
Given a right triangle where the Hypotenuse is 12 and given angle is 63 degrees, find the Adjacent side.
(hint: draw it out)
5.45
What is the degree of the polynomial?
y = 2x^3 - 5x^2 + 7x - 9
3
May 19th or 20th
Solve the inequality.
26+x > 5(3x-6)
4 > x
OR
x < 4
if f(x)=2x and g(x)=5-x
What is g(f(x))?
5-2x
Given a right triangle where the Hypotenuse is 8 and opposite is 7, find the corresponding angle.
(hint: draw it out)
61 degrees
Draw a sketch of the following polynomial.
y=x^2(x-3)(x+7)^3
check sketches
Where do should you turn in your notable mathematician project?
Google classroom
Solve the system by substitution:
y=3x-2
2x+y=10
(2.4,5.2)
Find the Inverse of y=sqrt(2x-9).
(y^2+9)/2
State the coterminal and reference angle for 167 degrees.
(hint: draw it out)
reference: 13 degrees
coterminal: -193
Write the equation for a polynomial with a triple root at 2, and single roots at -1 and 5 which passes though the point (0,4).
y=1/10(x-2)^3(x+1)(x-5)
How many years has Alec been at SPCPA?
3
Solve the system by graphing:
y= 2^x +3
y= 7 - 2x
Solve log(100)=x.
2
Calculate the following:
cos(60) & tan(pi/3)
cos(60) = 1/2
tan(pi/3) = sqrt(3)
Imaginary
When is our last day of school?
5/29
Solve the system by elimination:
2x+3y=4
5x-3y=10
(2,0)
simplify log(x)+log(3)-log(5).
log(3x/5)
Convert the following:
3pi/4 & 48 degrees
135 degrees
4pi/15
Find the roots of y= -x^2-4x-5.
-2 +/- i
What club has Alec been hosting afterschool this year?
Fiber arts!