Systems
x + y = 5
2x - y = 4
x = 3
y = 2
In which direction does this equation open: -5(x+2)2 -13
It opens downwards
What is the y intercept: y = 34 (3)x
34
If two sides of a right triangle measure 3cm and 4cm, what does the hypotenuse measure?
5cm
Which teacher teaches two grades?
Mr. Dates, Mr. Cirone, Mr. Smith
y = 3x
x + 2y = 21
x = 3
y = 9
What’s the LOS of x2 + 6x -3?
x = -3
What is the decay rate (%)? y = 3 (0.87)x
13%
If two sides of a right triangle measure 5cm and 12cm, what does the hypotenuse measure?
13cm
Which teacher teaches two subjects?
Ms. Au, Ms. Teehan
3x + y = 9
x - 2y = 8
x = 4
y = -2
Factor: x2 + 6x + 8
(x+2)(x+4)
Find x when y = 16 y = 4 (4)x
x = 1
If two sides of a right triangle measure 7cm and 24cm, what does the hypotenuse measure?
25cm
Which teacher has only been here since January?
Mr. Schwed
What are all the different ways of solving a system?
Substitution, Elimination, and Graphing
Find the vertex of x2 -10x + 5
(5,-20)
Find y when x = 4: y = 12 (2)x
x = 192
If two sides of a right triangle measure 9cm and 40cm, what does the hypotenuse measure?
41cm
Which teacher used to teach ELA?
y = x2 - 2x - 3
y = x - 3
x = 0, x = 3
y = -3 when x = 0
y = 0 when x = 3
Convert to vertex form: x2 + 4x -7
(x+2)2 -11
The deer population in USR was 10,000 in 2018. In 2019, the population was 12,000. In 2020, the population was 14,400.
A. Create an equation to model this situation. Let p = population and let n = years since 2018.
B. State the growth rate (%).
A. p = 10,000(1.2)x
B. Growing at 20% per year
If two sides of a right triangle measure 28cm and 96cm, what does the hypotenuse measure?
100cm
Which teacher has a twin?
Ms. Mascetti