3 years ago

Select the graphs that have an equation with a < 0.

Mathematics

2 answers:

Eddi Din [679]3 years ago

7 0

Answer:

Second graph only.

Step-by-step explanation:

The standard equation of a parabola is ax^2+bx+c where a,b and c are coefficients.

If the coefficient of (a) is positive then the parabola is concave upwards (as in picture 1)

If the coefficient of (a) is negative then the parabola is concave downwards as in picture 2.

tatiyna3 years ago

5 0

Answer:

Its the second and third graphs only

You might be interested in

What is the slope of y=x+5

Ghella [55]

Answer:

m = 1

Step-by-step explanation:

1x is the slope without the 'x', it's 1.

6 0

2 years ago

An ellipse has vertices of (5, 0) and (–5, 0) and covertices of (0, 2) and (0, –2). Use the given information to answer the ques

ValentinkaMS [17]

Answer:

The line the foci will be graphed is?

y=0

The foci are located at about ?

(4.58, 0) and (-4.58, 0)

What type of lines will the directrices be?

Both vertical

The directrices are located at about?

x= 5.46 and x= -5.46

Step-by-step explanation:

7 0

3 years ago

Compare 9 ⋅ 104 to 3 ⋅ 102.

RoseWind [281]

9×10⁴ is 300 times greater than 3×10²
as, (9×10⁴)/(3×10²)=3× 10²
and the proper of writting powers in computer form is a×10^b

7 0

3 years ago

Read 2 more answers

What is the symbol used to separate the one's place from the tens place in a decimal number

Blizzard [7]

A decimal point. Im guessing you meant to say tenths instead of tens

6 0

3 years ago

2(x-5)+3x=x+6<br> A)x=0<br> B)x=4<br> C)x=-1<br> D)x=2

alexgriva [62]

The answer would be letter B

4 0

3 years ago