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
SpyIntel [72]
3 years ago
10

How many times does the graph of the quadratic function f(x) = x² - 9 intercept the x-axis?

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0
2 times because x = both 3 and -3
You might be interested in
On a test Matilda answer 12 are the first 15 problems correctly at this rate continues how many of the next 25 problems while sh
Feliz [49]
12/15=x/25
15x=300 so x=20
6 0
3 years ago
the rain gauge shows 3 centimeters of water which equation gives height h it rains at a rate of 0.25 centimeters per hour after
Vilka [71]
0.25t = 3 is the equation or 0.25t = h but the first one would be used to solve it i think 
8 0
3 years ago
Light bulbs usually cost $2.They are on sale for 0.50 of the regular price.What is the sale price? Is this a better price than i
Arisa [49]
$2.00×.50=$1.00
$2.00-$1.00=$1.00
$1.00 is .50 sale price this price is better.
$2.00×.35=$0.70
$2.00-$0.70=$1.30
$1.30 is .35 sale price
4 0
3 years ago
Charles’s law states that if the pressure of a dry gas is held constant, then the volume V of the gas and its temperature T, mea
Sindrei [870]

Answer:

  b) dV/dt = c * dT/dt

Step-by-step explanation:

Differentiating the equation with respect to time, you have ...

  V = cT

  dV/dt = c·dT/dt . . . . matches choice B

7 0
3 years ago
I NEED HELP ASAP PLEASEEEE I WILL MARK BRAINLIEST
Anettt [7]

Answer:

It is either d or a... Please mark Brainliest!

Hope this helps! :D

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • PLEASE HELP!
    9·2 answers
  • (2x + 536 W<br> (4x -- 25)"<br> Find m
    11·1 answer
  • How many pairs of parallel line does a triangle have​
    5·2 answers
  • Need help asap, multiple choice
    10·1 answer
  • Which equation has the solution x = 2 ?
    14·1 answer
  • A long distance runner starts at the beginning of a trail and runs at a rate of 4 miles per hour. One hour later, a cyclist star
    8·1 answer
  • Please help me whoever answers correctly I’ll give you a Brainly
    8·1 answer
  • Janet picked x flowers. Rhea picked 48 flowers, which is 19 more than the number of flowers Janet picked. The equation below can
    10·2 answers
  • A student with two summer jobs earns $10 per hour at a cafe and $8 per hour at a market the student would like to earn at least
    8·1 answer
  • How many apples?<br> Help me please, thanks so much
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!