It Opens This Way
a, b, and c
Discriminants
Factoring
Solve with the QF
100
y=x^2 opens this way.
What is up.
100
y= x^2 + 4x + 3. Identify a, b, and c.
What are 1, 4, and 3.
100
The discriminant is 14^2 - 4(2)(12). Determine how many real zeroes there are.
What are two.
100
y=x^2 + 10x + 25. Find the binomial factors.
What are (x+5) (x+5)
100
Find the zeroes of y=x^2
What is 0.
200
y=-3x^2 + 9x - 14 opens this way.
What is down.
200
y=x^2 + 4x -6. Identify a, b, and c.
What are 1, 4, and 6.
200
The discriminant is 4^2 -4(1)(-4). Determine how many real zeroes there are.
What are two.
200
y= x^2 + 13x + 30. Find the binomial factors.
What are (x+3) (x+10)
200
y= x^2 + 7x + 6
What are -6 and -1.
300
y=2x^2 -11 opens this way.
What is up.
300
y= 2x^2 -12. Identify a, b, and c.
What are 2, 0, and -12.
300
The discriminant is 4^2-4(1)(4). Determine how many real zeroes there are.
What is one.
300
2y=x^2 +7x + 3. Find the binomial factors.
What is (2x+1)(x+3)?
300
y= 2x^2 + 7x + 5
What are -5/2 and -1
400
y + x^2 = 2x + 1 opens this way.
What is down.
400
y=x^2. Identify a, b, and c.
What are 1, 0, and 0.
400
The discriminant is 3^2-4(2)(3). Determine how many real zeroes there are.
What is none.
400
y=x^2-9. Factor.
What is y=(x+3)(x-3)
400
Daily Double.
State the entire QF?
500
x=y^2 opens this way.
What is sideways.
500
y= -25x^2 - 13x +42. Identify a, b, and c.
What are -25, -13, and 42.
500
The discriminant is 9^2-4(10)(2). Determine how many real zeroes there are.
What are two.
500
y=x^2- 12x +36. Factor.
What is y=(x-6)(x-6)
500
y= x^2 + 4x +4
What is -2?
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