Solving Equations Day 3

Algebra 2

Solving Equations Day 3

Multiple Choice

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Multiple Choice

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0
• 1
• 2
• 5

Multiple Choice

What is the discriminant of 6x² − 2x − 3 = 0

• 76

• 29

• 68

• none of these

Multiple Choice

Solve the equation.

• 36

• 18

• -18

• 27

Multiple Choice

Solve for x.
 $\sqrt{x}=5$  

• -1

• -3, 25
  

• -25

• 25

Multiple Choice

 $2\sqrt{3x+9}-4\ =\ 20$  Solve for the value of x:

• 45

• 55/3

• 5

• 189

Fill in the Blanks

How many points of intersections are there in the graph pictured?

Multiple Choice

Solve the system of linear and quadratic equations:

y = 5

y = 2x² - 16x + 29

• (6, 5) and (2, 5)

• (2, 6)

• (6, 2)

• (5, 6) and (5, 2)

Multiple Choice

Find the solution(s).

• (-1,7) and (0,5)

• (-4,2) and (-5,8)

• (-2,6) and (10,15)

• (-2,4) and (6,12)

Multiple Choice

How many points of intersections are there for the two lines pictured?

• 0

• 1

• 2

• 3