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3 years ago

13

Function f is a quadratic function passing through the points (-4,0),(0,–12) and (3,0). Function g is modeled by the graph. Over

which interval are both functions negative?

2 answers:

Digiron [165]3 years ago

5 0

Answer:

Open points on 1 and 3 with ray connecting them

Step-by-step explanation:

Because it's right.

julia-pushkina [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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katovenus [111]

Answer:

x = $\frac{7+\sqrt{47}\times i }{4}$

Step-by-step explanation:

<u>To solve quadratic systems,we always substitute one variable in terms if the other and then solve the equation.</u>

x + 2y = 6 ---------------(1)

y - 5 = $(x-2)^{2}$ ---------------(2)

y = $(x-2)^{2}$ + 5 ---------------(3)

Substitute (3) in (1) ,

x + 2( $(x-2)^{2}$ + 5 ) = 6

$(a + b)^{2}$ = $a^{2} + 2ab + b^{2}$

x + 2( $x^{2} - 4x + 4$ + 5 ) = 6

$2x^{2} - 7x + 12=0$ --------------(4)

The roots of the quadratic equation $ax^{2} +bx+c$ is

x = $\frac{(-b) + \sqrt{(-b)^{2}-4 \times ac } }{2 \times a}$ -----------(5)

According to equation (5),solution of (4) is

x = $\frac{7 + \sqrt{(-7)^{2}-4 \times 24 } }{2 \times 2}$

x = $\frac{7+\sqrt{49-96}}{4}$

x = $\frac{7+\sqrt{47}\times i }{4}$

4 0

3 years ago

brilliants [131]

Answer:

25

Step-by-step explanation:

3 0

2 years ago

Do you need to use fewer centmeters than meters to measure a cabinet

creativ13 [48]

Answer:

No. You need more centimeters because meters are bigger.

Step-by-step explanation:

They're bigger.

Hope this helps!

8 0

2 years ago

Read 2 more answers

The rectangle has an area of 42 sq. in. Which of these could be the dimensions of the rectangle?

photoshop1234 [79]

Answer:

okay

Step-by-step explanation:

8 0

3 years ago

What is 9 2/3 - 2 8/10

umka21 [38]

9 2/3 - 2 8/10 = 16 13/15

7 0

3 years ago