Answer:
0
Step-by-step explanation:
When there is one x-intercept, the discriminant is zero.
__
The discriminant is used to compute the difference between the roots. When it is positive, the real roots are different, so there are two x-intercepts.
When the discriminant is zero, there is no difference between the roots, so there is one x-intercept (as here).
When the discriminant is negative, there are no x-intercepts and the two roots are complex.
Answer:
The value of the equation for x is
or 559.5.
Step-by-step explanation:
Consider the provided equation.

We need to solve the equation for x.
Use the distributive property: 


Add the like terms.

Isolate the variable as shown:




Hence, the value of the equation for x is
or 559.5.
Answer:
The roller coaster is 155 feet above the ground.
Step-by-step explanation:
Given:
The roller coaster climbs 120 feet from ground level.
Then drops 75 feet
Then again climbs 105 feet
To find distance of roller coaster above the ground now we will subtract the drop in level from the rise and then add the second rise to the difference.
This can be evaluated as:

⇒ 
⇒ 
Thus the roller coaster is 155 feet above the ground.
Answer:
7
Step-by-step explanation:
Count the numbers in between (0,0) and (0,7).
Answer:
<u>Cost for 6 Miles:</u> 7.50$
<u>Cost in General:</u> 11$
Step-by-step explanation:
1.25x6=7.50
7.50+3.50=11