Unit 6
Write a quadratic equation with a maximum.
What is y = -5x2+5x-9
Find the perimeter of the triangle whose sides are 4x, 5x-4, and 6x-9
15x-13
When graphing with this symbol < where do you shade?
Below
Parallel lines have what kind of solution?
No solution
What room number is Mrs. Henriquez class?
98A
Write a quadratic equation with a minimum and y-intercept at 2.
What is y=4x2+6x+2
Subtract (6x2+2x-9)
- (-4x2-5x+8)
10x2+7x-17
What is the set up for this problem: The fundraiser committee made $500 for selling shirts for $10 and hoodies for $20
10x+20y=500
Start on the y-axis at 4 rise 3 run 1
How many children does Mrs. Henriquez have?
2
Sketch a parabola with a minimum, positive y-intercept, and negative axis of symmetry
What is on the whiteboard (look)?
Factor 4xy2 - 16x2y
4xy(y-4x)
2 lines that cross have how many solutions?
one
The symbol < means
open and less than
13 years
Magic X or quadratic formula
Explain how to find the area from two binomials where one is the length and the other the width.
Multiply by doing double distribution
Solve
y=-5x-17
-x-y=1
(-4,3)
How do you start solving this problem?
3x+ y = 6
6x + 5y = 7
Multiply the entire top by -5 or top by -2
What subject or subjects does Mrs. Henriquez teach?
Explain how to find the minimum height when a person dives under a lake.
Find axis of symmetry then plug it in. The y value is the minimum height.
Explain how to find the length and width given a quadratic equation.
Magic X to find the binomials
Graph y>2x-1
y < -2x+1
See the board
Factor 4x2+7x-2
(4x-1)(x+2)
5 years --> 6 years in October