Ask question

Ask question

All categories

3 years ago

6

A quadratic rule for a particular parabola is of the form y = ax^2 + bx. The parabola passes through with the coordinates (-1, 4

) and one of its x-axis intercepts is 6. Find the value of a and b.

1 answer:

Scilla [17]3 years ago

6 0

Answer:

y = (4/7)x² - (24/7)(x)

Step-by-step explanation:

4 = a(-1)² + b(-1)

4 = a - b

0 = a(6)² + b(6)

36a + 6b = 0

b = -6a

4 = a - (-6a)

7a = 4

a = 4/7

b = -24/7

y = (4/7)x² - (24/7)(x)

You might be interested in

Tcecarenko [31]

Answer:

The COP is 0.5

Step-by-step explanation:

First we must find the slopes.

12.50/25 = 0.5

17.50/35 = 0.5

The COP is 0.5

8 0

3 years ago

What is 57.82 ÷ 0.784 (show ur work)

faltersainse [42]

Answer:

73.75

Step-by-step explanation:

$\frac{57.82}{0.784}$
Multiply numerator and denominator by 1000:

$\frac{57820}{784}$

Divide 57820 by 784 to get 7
Now divide 2940 by 784 to get 3

Now divide 5880 by 784 to get 7

Now divide 3920 by 784 to get 5

The solution of the long division is :

73.75

8 0

2 years ago

What is the value of 5 in 756

Kruka [31]

7's value is 700 5's value is 50 6's value is 6. Si the value of five is five tenths becauae it is in the tenth spot

3 0

3 years ago

Rectangle ABCD has vertices A(8,5), B(8,10), C(14,10), and D(14,5). A dilation with a scale factor of 1.2 and centered at the or

ycow [4]

Vertex A would be at (9.6, 6)

3 0

3 years ago

How do I solve this

ra1l [238]

There needs to be a picture of the whole worksheet for me to answer. But you can go to the website at the bottom of the sheet and most likely find a answer key.

5 0

3 years ago