Discriminant
Graphs
Solving
Create Equation for Word Problems :
100

What is the formula for finding the Discriminant of quadratic equation?  

D = b2 - 4ac

100

Draw the graph for a function which has 2 real roots and a coefficient is negative

...

100

Solve the following :

https://ibb.co/GsMCj6k

x = sqrt(35) or  -sqrt(35)

100

Create corresponding equation for the following word problem:

https://ibb.co/QKM8T8k

x+x2=100

x2+x-100=0

200
How many real roots does a quadratic equation have if the Value of Discriminant is negative? why?

0 roots

200

What does a and c coefficients represent in a parabola?

a - whether the graph goes upwards or downwards

c - y-intercept

200

Solve the following:
https://ibb.co/JcFGb5n

x = 1  or -1

200

Create corresponding equation for the following word problem:
https://ibb.co/5cTZkgj

x(x+5)=84

x2+5x-84=0

300

What is the value of the Discriminant based on the following graph? 

https://ibb.co/jwW1423

D = 0

300

What is the value of   a  and  D   for the following graph?

https://ibb.co/LNCmgpc

a < 0 

D < 0 

300

Solve the following:
2(x-5)2 = 0

x = 5

300

Create corresponding equation for the following word problem:
https://ibb.co/yyL6d2s

x(x+5)=176

x2+5x-176=0

400

What is the value of Discriminant for the following Quadratic Equation :  5x2 + 3 = 0

-60

400

What is the value of Discriminant, a and the root based on the following graph?

https://ibb.co/MBf5kL4

D = 0 

a < 0 

root = 3

400

Solve the following:
-2(3x+1)(x-2)=0

x=-1/3
x=2

400

Create corresponding equation for the following word problem:
https://ibb.co/cQg24z3

x2 + (6-x)2 = 28

x2+36 - 12x + x2 = 28

2x2 - 12x + 8 = 0

x2 - 6x + 4 = 0 

500

Find the value of  b  if  the following quadratic equation has exactly one solution?

x2 + bx + 9 = 0 

b = -6 or 6

500

From the following graph: determine the value of c (exact number) and a (positive, negative or 0)


https://ibb.co/MBf5kL4

a < 0 

c = -9

500

Solve the following:

https://ibb.co/QpzkC1F

500

Write corresponding equation for the following word problem and solve:
https://ibb.co/99Pvw0j