Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s).

Mathematics

1 answer:

Sveta_85 [38]3 years ago

8 0

Answer:

y = 4(x + 2)^2 - 20.

or in standard form it is

y = 4x^2+ 16x - 4.

Step-by-step explanation:

The equation in vertex form will be:

y = a(x + 2)^2 - 20 where a is some constant.

The y-intercept is (0, -12) so:

-12 = a(0 + 2) - 20

2a = -12 + 20 = 8

a = 4.

You might be interested in

Completing the Square: results in 2 solutions x^2 + 3x = -2

mr Goodwill [35]

Add 2 to both sdies
now if we can facor, then if
xy=0 then x and/or y=0
note:xy=x times y and x(y) =x times y

x^2+3x+2=0
what 2 number multiply to get 2 and add to get 3
the numbers are 2 and 1
(x+2)(x+1)=0
set them to zero
x+2=0
subtract 2
x=-2

x+1=0
subtract 1
x=-1

x could be -1 or -2
x=-2, or -1

4 0

2 years ago

A.tell what point is located at each ordered pair

Anna11 [10]

Answer: all of them are x,y

Step-by-step explanation:

5 0

2 years ago

Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system. x < 2 a

marysya [2.9K]

We want to solve the inequalities
x < 2
y ≤ 4x + 1

Graph the lines:
x = 2
y = 4x +1

The solution to the system of inequalities is the shaded region shown in the graph below.

Test the given points to see whether they fall within the solution region.

Point Pass/Fail
-------- --------------
(5,6) Fail
(5,-2) Fail
(-3,-15) Pass
(1,11) Fail

Answer: (=3, -15)

4 0

2 years ago

Can you answer this? factorise 6p + 24q

Talja [164]

Answer:

6(p+4q)

Step-by-step explanation:

6 0

3 years ago

Expand 3(n+6) This for the test

MrRa [10]

Step-by-step explanation:

expanded = 3n + 18

plz mark my answer as brainlist plzzzz if you find it useful ☺️.

8 0

2 years ago