Parabola Activity - A2CT

Unit 2 - Quadratics

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Evaluate 4y  if       y = 3

How to evaluate 4y if y=3

Plug in 3 for y

4(3)

=12

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If $x=7$ , then  $3x-2=$  

Multiple Choice

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

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Given that the standard form of a parabola is

$ax^2+bx+c,$ find b for the equation:  $3x^2+2x-16$

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Given that the standard form of a parabola is

$ax^2+bx+c,$ find a for the equation:  $6x^2-3x+14$

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Given that the standard form of a parabola is

$ax^2+bx+c,$ find a for the equation:  $x^2-3x+14$

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Given that the standard form of a parabola is

$ax^2+bx+c$  , find  $-\frac{b}{2a}$  for the function:  $y=x^2+2x-1$

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Given that the standard form of a parabola is

$ax^2+bx+c,$  find  $-\frac{b}{2a}$  for the function:  $y=x^2-2x-1$

When b=-2

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Given that the standard form of a parabola is

$ax^2+bx+c,$  find  $-\frac{b}{2a}$  for the function:  $y=2x^2-8x+9$

Solving the previous problem

Open Ended

How do you feel about finding a, b, and c when given the function of a parabola in standard form? Did you find it difficult to answer the questions in this presentation?