3 years ago

.

1 answer:

7 0

Answer:The discriminant is the expression b2 - 4ac, which is defined for any quadratic equation ax2 + bx + c = 0. Based upon the sign of the expression, you can determine how many real number solutions the quadratic equation has. If you get a positive number, the quadratic will have two unique solutions.

Hope that helped.

You might be interested in

Please help me please!!!!!!!

Alex787 [66]

The answer is B) 60

Hopes this helps ya!

6 0

4 years ago

Solve -2.5n + 8.7 > 5.45.

AlexFokin [52]

A. n<1.3

-2.5n+8.7>5.45
subtract 8.7 from both sides
-2.5n>-3.25
divide -2.5 from both sides
(since you divided by a negative you flip the sign!!)
n<1.3

5 0

3 years ago

The Party Room at Penny's Pizza rents for an initial fee of $30 and then $5 per hour. Aislyn's bill for her Birthday party was $

Annette [7]

Initial fee- $30
$5 per hour
=$50

$5* 4(hours)=$20
$30+$20=$50

4 0

3 years ago

Read 2 more answers

Stella is having a birthday party at the amusement park. It costs $35 for pizza and $12.50 per friend for the amusement park. St

Nikitich [7]

Answer:

5 friends

Step-by-step explanation:

The inequality is 35+12.50x is less than or equal to 100.

4 0

3 years ago

Ari received $100 as a birthday gift and has decided to save this money as well as add $20 of his own money each month. The tota

kow [346]

Answer:

$220

Step-by-step explanation:

As per the equation:

y = 20x + 100

y = 20*6 + 100 = 220

So Ari will have saved $220 after 6 months

7 0

4 years ago