3 years ago

Beginning with the quadratic equation y = ax2 + bx + c, david plugged in 0 for x to get y = a(0) + b(0) + c, or y =

Mathematics

1 answer:

Sergio039 [100]3 years ago

4 0

He has done that to find the y intercept. the y intercept is the value of y when x=0.

You might be interested in

To the nearest hundredth, what is the surface area that will be painted?

Aleksandr-060686 [28]

Answer:

6.5in

Step-by-step explanation:

find the area of the shaded regions

fine the surface area of the square

A = 2×2

A = 4

find the area of the triangle

A = 1/2bh

A = 1/2×2×2.5

A = 2.5

add the areas

2.5+4 = 6.5

3 0

3 years ago

Read 2 more answers

Jonathon's Yo-Yo has a string that is three and a half feet long. If Jonathon cuts six inches off of the string, how many feet w

earnstyle [38]

1 ft= 12 inches
1/2 ft= 6 inches

=3 1/2 feet - 6 inches
substitute # of inches in for 1/2 foot
=3 ft 6 inches - 6 inches
=3 feet

ANSWER: 3 feet

Hope this helps! :)

7 0

3 years ago

Translate this sentence into an equation.

lana [24]

Answer:

c+20=72

Step-by-step explanation:

7 0

3 years ago

Nguyen played a game in which he could either lose or gain points each round. at the end of 7 rounds, he had -8 points. After on

Sergeeva-Olga [200]

Answer:

I think the answer would be +15.

Step-by-step explanation:

3 0

2 years ago

Solve for X:

galben [10]

Answer:

A. -61/9

Step-by-step explanation:

(7x + 28) + (7x +28) = 5x - 5 . . . . . . . given equation

14x +56 = 5x -5 . . . . . . . . . . . . . . . . . collect terms

9x = -61 . . . . . . . . . . . . . . . . . . . . . . . . subtract 5x+56

x = -61/9 . . . . . . . . . . . . . . . . . . . . . . . . divide by the coefficient of x

4 0

4 years ago

Read 2 more answers