Score Key for MT5 EOT. Notes: Move “C” to the other side and create “space” for your new numbers. Create ( ) 2 for you perfect square Find the number.

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Presentation transcript:

Score Key for MT5 EOT

Notes: Move “C” to the other side and create “space” for your new numbers. Create ( ) 2 for you perfect square Find the number to be added to both sides and fill in your spaces. Make your equation look like y = ( ) 2 + c. This will create “Vertex Form” which will be used in MT6 for graphing. x 2 + 6x + ____ = 72 + ____ (x + ____) 2 = ____ y = (x + ____) 2 - ____ 6/2 = x 2 – 5x + ____ = -6 + ____ (x + ____) 2 = ____ y = (x + ____) 2 - ____ 5/2 =

Score Key for MT5 EOT

Notes: Diamond method works on both… (x )(x ) (3x )(x )

Score Key for MT5 EOT

Notes: Use b 2 – 4ac to find possible roots + is two roots 0 is one root - Is no roots A B C 2 2 – 4*4* = 132 Positive is 2 roots A B C 12 2 – 4*9* = 0 Zero is 1 root

Score Key for MT5 EOT

Notes: Use Quadratic Formula: - b ± b 2 – 4ac 2a The negative boy could decide if he wanted to go to the radical party with his two best friends and meet four awesome chicks and be home by two a.m. -13 ± 13 2 – 4*8*4 2*8 -13 ± 169 – ± ± 6 2 – 4*2*3 2*2 -6 ± 36 – ± ± ± 3 2

Score Key for MT5 EOT

Notes: Assign your values to your variables H is ending height T is time V is velocity C is starting height (when you are on the ground, height is 0) 0 (the ground) 10 seconds ? I have no idea 0 (the ground)

Score Key for MT5 EOT

Notes: Use gravity formula - h = -16t 2 + vt + c, plug in variables, and solve for “V” 0 = -16(10) 2 + v(10) + 0 H=0 T=10 V=? C=0 0 = v 1600 = 10v V= h = -16(t) 2 + v(t) + c

Score Key for MT5 EOT

Notes: Draw a picture of what is happening. You know velocity (160), you must figure out how many second it took to get to the maximum height. Plug in and solve. T=0 T=10 T=? (Maximum height) 5 h = -16(5) (5) + 0 h = H= h = -16(t) 2 + v(t) + c