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Talja [164]
3 years ago
8

The vertex of this parabola is at (-5, 4). Which of the following could be its

Mathematics
1 answer:
aliina [53]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Because the x-coordinate of the vertex is negative, only A or D could be the correct equation for this parabola.  D is correct because its constant (4) matches the y-coordinate of the vertex (-5, 4).

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Hello you guys can you help me with this thanks! Compare. Choose the correct symbol.
geniusboy [140]

Answer:

B) >

Step-by-step explanation:

You can compare fractions by converting them into a decimal and examining which one has the greater value.

3/4 = 0.75

3/5 = 0.6

From this, we can see that 3/4 is greater than 3/5, so the sign will be >.

----

note: You can also find the least common denomiator between the fractions and compare their numerator values to find which one is bigger. The one with the larger numerator will be the greater fraction.

hope this helps!

7 0
2 years ago
PLS HELP ITS TIMED
8_murik_8 [283]
A. Ten seconds is your answer
5 0
3 years ago
Find the area of the parallelogram.
garik1379 [7]
The area of a parallelogram is the base times the height
9 × 5.2
and dont forget the units
3 0
3 years ago
Read 2 more answers
What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1?
JulsSmile [24]
Alright,
directix is y=something so it opens down or up

we use
(x-h)²=4p(y-k)
the vertex is (h,k)
and p is distance from focus to vertex
if focus is above directix, p is positive
if focus is below directix, p is negative

so we gts

focus=(1,1)
directix is y=-1
1>-1
focus is above

oh, vertex is in middle of focus and directix
so
beteeen (1,1) and y=-1 is, hmm
that is a distance of 2 vertically
2/2=1
1 down from (1,1) is (1,0)
vertex is (1,0)
p=1

so
(x-1)²=4(1)(y-0)
solving for y to get into f(x)=something form
(x-1)²=4y
y=1/4(x-1)²
f(x)=1/4(x-1)²

4th option
6 0
3 years ago
Find the values for a and b that would make the equality true.
Crank

Answer:

a = - 4, b = 5

Step-by-step explanation:

Expand the left side and compare the coefficients of like terms on the right side.

- 3(2x² + ax + b)

= - 6x² - 3ax - 3b

Comparing like terms with - 6x² + 12x - 15

x - term → - 3a = 12 ( divide both sides by - 3 )

                    a = - 4

constant term → - 3b = - 15 ( divide both sides by - 3 )

                               b = 5

6 0
3 years ago
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