Test Quadratics

Solve by taking square roots:
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Factor
k²+7x+10

• (k+2)(k+5)
• (k-2)(k-5)
• (k+10)(k+4)
• (k+2)(k-5)

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

The discriminant is

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

How many zeros does this parabola have? 

• 3
• 2
• 0
• 1

The roots of the graph are?

• 4 and -2

• -4 and -2

• -4 and 2

Find the zeros of the function x² – 4x - 5.

• x = 5, x = 1

• x = -5 , x = -1

• x= 5, x =-1

Rasheed jumped off of a springboard and his path is shown on the graph. Which of the following could represent his maximum height?

• 14 feet

• 8 feet

• 3 feet

• 23 feet

How long did it take Rasheed to reach the ground(safely landing in a pool of course) ?

• 13 seconds

• 3 seconds

• 8 seconds

• 10 seconds