Similarity
Which similarity theorem can we use?
https://drive.google.com/file/d/1QT4g3rJBluiLK1Yt4ppbaGcUcICxDD7s/view?usp=share_link
SAS similarity
Do we use sin, cos, or tan?
https://drive.google.com/file/d/1Ap9iA6mfoQkLsKwRyywW-Cvaszae3VjL/view?usp=share_link
tan
Fill in the number that completes the square:
x^2 - 14x + __
49
Solve for x if the triangles are similar.
https://drive.google.com/file/d/1vGOqCQHjuu1Aya8a2j6sBhwjxCRJEeye/view?usp=share_link
x = 5
Solve for x and y.
https://drive.google.com/file/d/1ftIgLKBnqEze5KOxHhv_1XtWUs7tL3GD/view?usp=share_link
x and y = 2 radical 2
Find the y-intercept of:
y = 2(x+2)^2 -1
(0, 7)
Solve for x:
2x^2 - 6x = 0
x = 0 and x = 3
Solve for x. Round to first decimal place.
https://drive.google.com/file/d/1sJWfygTxRUmNp3tLet3k-UGT11k48N4H/view?usp=share_link
13.8
Solve for x.
y = | 2x+4 | - 6
x = 1 and x = -5
Find the axis of symmetry of:
y = (x-4)^2 + 4
x = 4
Factor:
y = 4x^2 - 16x + 16
(2x - 4)^2
Solve for x:
(x - 2) / 6 = 8 / 3
x = 18
Solve for θ. Round to first decimal place.
https://drive.google.com/file/d/1JOlgY_iIjFVOkqaWAmRJU55eOJmExO8v/view?usp=share_link
17.1 degrees
Solve the inequality.
2 | x-4 | + 1 < 5
x > 2 AND x < 6
Alternate answer: 2 < x < 6
Find the axis of symmetry of:
y = (x+1)(x+5)
x = -3
How many real solutions does the following equation have:
3x^2 - 2x + 3 = 0
No real solutions
List the three possible statements we can use to prove similarity.
aa, sas, sss
Set up the trig ratio for the following word problem:
From point P on the ground, the angle of elevation of an airplane is 23º. The altitude of the plane is 1200 meters. What is the distance from point P to the airplane?
sin(23) = 1200 / x
Write the equation from the graph:
https://drive.google.com/file/d/1oEVeWh-gwlQpHlSh_45VHgGHLE6Xn1H7/view?usp=share_link
y = -| x+1 |+4
Write the equation in vertex form.
https://drive.google.com/file/d/1ygDl0HX8rLncGCw3oe1vBnIu4Hk0t7NT/view?usp=share_link
y = 2 (x + 1)^2 + 3
Solve for x:
y = 8x^2 - 6x - 2
x = -0.25 and x = 1