1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
svetoff [14.1K]
3 years ago
9

Find the discriminat of each quadratic equation then state the number and type of solutions

Mathematics
1 answer:
Julli [10]3 years ago
8 0
Hello : 
the discriminat of each quadratic equation : ax²+bx+c=0 ....(a <span>≠ 0) is :
</span><span>Δ = b² -4ac
1 )  </span>Δ > 0  the equation has two reals solutions : x =  (-b±√Δ)/2a
2 ) Δ = 0 : one solution : x = -b/2a
3 ) Δ <span>< 0 : no reals solutions</span>
You might be interested in
What could this answer be??
bekas [8.4K]

The number in the parentheses is the rate of change. Because this number is less than 1 it is a decrease, so it is a decay.

The percent decrease is 1 - 0.63 = 0.37 = 37% decrease

5 0
3 years ago
PLZ PLZ HELP ME .
Ket [755]

Answer:

he bought the t shirt for rs 1880

7 0
3 years ago
Solve for x. <br> 2(x-2)= 6x + 2 -2(-2x - 4)
Lena [83]

Answer:-7/4

Step-by-step explanation:

2(x-2)=6x+2-2(-2x-4)

Open brackets

2x-4=6x+2+4x+8

Collect like terms

-4-2-8=6x+4x-2x

-14=8x

Divide both sides by 8

-14/8=8x/8

-7/4=x

x=-7/4

4 0
3 years ago
Evaluate the expression<br> 7+10√1/25
nata0808 [166]
The answer is 9

You should download it kinda helps

4 0
3 years ago
PLEASEE HELPP Match the correct graph to the story below.
Tanya [424]

Answer:

Step-by-step explanation:

d because at time 0 charges the the fixed fee then increases based on the time spends on the job

4 0
3 years ago
Other questions:
  • Tina contributes $500 per month to her retirement account before withholding taxes are taken out of her pay. If her tax bracket
    8·2 answers
  • A bicycle wheel with radius 26" rotates through an arc that measures 80°. What is the length of the arc of the tire that touched
    6·1 answer
  • Please help with this question. The length of a jogging trail is 3528 m. A jogger wants to complete the trail within 30 min.
    15·2 answers
  • Please someone answer for this question
    11·2 answers
  • Nalani says the expression 9+7r cannot be factored using the GCF. Is she ​correct? Explain why or why not
    8·1 answer
  • Given two sets of parallel lines in the diagram below, what is the relationship between ∠ 9 and ∠ 3 ? image
    12·1 answer
  • Asappp please . Explain
    12·2 answers
  • Alexa and Daniel , two students of middle school together collected $20 from the students for annual function of their school .
    13·1 answer
  • Help for brainliest k bye
    6·1 answer
  • Help me please i need help on my hw
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!