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Marielle & Sofia - Solving Quadratic Equations Game

Total questions: 21

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

What is the quadratic formula?

a)

y=mx+b

b)

ax²+bx+c=0

c)

x=(-b±√(b²-4ac)/(2a)

d)

x=-b/2a

2.

 The "b" in the quadratic formula

x=b±(b)24(a)(c)2(a)x=\frac{-b\pm\sqrt[]{\left(b\right)^2-4\left(a\right)\left(c\right)}}{2\left(a\right)} is associated with:  

a)

Coefficient of X

b)

Coefficient of x²

c)

Constant term

d)

Discriminant

3.

What is the term for the values of x where a quadratic function equals zero?  

a)

Discriminant 

b)

Solutions 

c)

Vertex

d)

Axis

4.

If a quadratic equation has no real solutions, what can be said about the discriminant? 

a)

Discriminant is positive  

  

   

b)

Discriminant is imaginary

c)

Discriminant is negative  

d)

Discriminant is zero  

5.

What is the term for the number of times a quadratic function crosses the x-axis? 

a)

 Roots  

b)

  Discriminant  

c)

Axis of symmetry  

d)

Vertex

6.

 To find the x-intercepts of a quadratic function, set the (a)   to zero and solve.

7.

The (a)   is the point on the graph of a quadratic function where the parabola changes direction.

8.

A quadratic equation can either be _______ or ________.

(a)  

9.

What can the solution to a quadratic equation be called?

a)

Root

b)

Solution

c)

Zeroes

d)

X-intercepts

10.

Identify the variables, A B and C for this equation. 3x25x8=03x^2-5x-8=0

a)

A =3

b)

B = -5

c)

C = -8

d)

B = 5

e)

A = 8

11.

Identify the coefficients ax2+bx+c=0ax^2+bx+c=0

a)

a

b)

b

c)

x

d)

C

12.

What is the variable and constant in this equation? 8x2+9x+190=08x^2+9x+190=0

a)

187

b)

x

c)

190

d)

8

13.

Solve : 3x211x4=03x^2-11x-4=0

a)

(3x+1)(x-4)=0

b)

(3x+2)(x-11)=0

c)

(-3x+11)(x-0)=0

d)

(11x+4)(x-3)=0

14.

Which 3 ways can you solve a Quadratic formula?

a)

PEMDAS

b)

Factoring

c)

Quadratic formula

d)

Completing squares

15.

What is the vertex?

a)

An imaginary line

b)

The line that cuts the parabola in half

c)

The point where the parabola crosses its axis of symmetry.

d)

A point on a graph

16.

The maximum of a parabola is the..

a)

point that reaches the highest point

b)

point that reaches the lowest point

c)

point that reaches the average point

17.

Use the factorization method to solve this problem. 3x210x+8=03x^2-10x+8=0

a)

(10x-3)(x+2)=0

b)

(3x+4)(x+2)=0

c)

(3x-4)(x-2)=0

18.

What is the square root of 81?

a)

8

b)

9

c)

-9

d)

7

19.

Which term is the Linear term? f(x)=8x2+3x+1f\left(x\right)=8x^2+3x+1

a)

1

b)

8

c)

3

20.

What is the first step in solving this equation? 6x2+5x+8=96x^2+5x+8=-9

a)

Adding 8 to both sides.

b)

Distributing 5x among the equation.

c)

Adding 9 to both sides so the function equals 0.

d)

Multiplying each term .

21.

True or false? A parabola have more than 2 solutions

a)

True

b)

False