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2 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Mathematics

2 answers:

Harman [31]2 years ago

4 0

Answer:

Step-by-step explanation:

the answer is D because the line touches the graph on the y intercept at points -4, 1, and 2

Alinara [238K]2 years ago

3 0

Answer: Graph D

<u>Step-by-step explanation:</u>

Look at each graph to see where it cosses the x-axis. These are called; x-intercepts, solutions, zeros, and roots. All of these terms mean the same thing.

graph A) x-intercepts are: -2, -1, and 4

graph B) x-intercepts are: -2, -1, and 4 (it is the same graph as A)

graph C) x-intercepts are: -2, 1, and 4

graph D) x-intercepts are: -4, 1, and 2

The given solutions are -4, 1, and 2 so the correct graph is D.

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koban [17]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

◆ Quadratic Equations ◆<br>Please help !

Mila [183]

I'm sure there's an easier way of solving it than the way I did, but I'm not sure what it could be. Never dealt with a problem like this before.

Anyway, I just plugged in and tested. Chose random values for a, b, c, and d, which follow the rule 0 < a < b < c < d:

a = 1
b = 2
c = 3
d = 4

$\sf ax^2+(1-a(b+c))x+abc-d)$

$\sf 1x^2+(1-1(2+3))x+(1)(2)(3)-(4))$

Simplify into standard form:

$\sf x^2+(1-1(5))x+6-4$

$\sf x^2+(1-5)x+2$

$\sf x^2-4x+2$

Use the quadratic formula to solve:

$\sf x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}$

For functions in the form of $\sf ax^2+bx+c$ . So in this case:

a = 1
b = -4
c = 2

Plug them in:

$\sf x=\dfrac{4\pm\sqrt{(-4)^2-4(1)(2)}}{2(1)}$

Solve for 'x':

$\sf x=\dfrac{4\pm\sqrt{16-8}}{2}$

$\sf x=\dfrac{4\pm\sqrt{8}}{2}$

$\sf x\approx\dfrac{4\pm 2.83}{2}$

$\sf x\approx 0.59,3.41$

So the answer would be A.

3 0

2 years ago

Please find measure of angle s. PLEASE HELP FAST!!

Studentka2010 [4]

Answer:

Step-by-step explanation:

15x-31 = 9x+11

6x-31 = 11

6x = 42

x = 7

15x -31 + 9x + 11 + s = 180

15(7) -31 + 9(7) + 11 + s = 180

105 - 31 + 63 + 11 + s = 180

153 + s = 180

s = 27

8 0

1 year ago

Can you help me please?

PilotLPTM [1.2K]

Answer:

Your answer should be 0.125

Step-by-step explanation:

Divide the numerator by the denominator

1 divided by 8 = 0.125

I see you're from k12. Hello, fellow homeschooler. Good luck on the assignment!

5 0

2 years ago

A) Dati cinci exemple de numere intregi mai mici ca zero.

12345 [234]

Answer:

Numerele întregi pozitive sunt toate numerele întregi mai mari decât zero: 1, 2, 3, 4, 5, .... Numere întregi negative sunt toate opusele acestor numere întregi: -1, -2, -3, -4, -5, .... Nu considerăm că zero este un număr pozitiv sau negativ. Pentru fiecare număr întreg pozitiv, există un număr întreg negativ, iar acești numere întregi se numesc opuse. De exemplu, -3 este opusul lui 3, -21 este opusul lui 21 și 8 este opusul lui -8. Dacă un număr întreg este mai mare decât zero, spunem că semnul său este pozitiv. Dacă un număr întreg este mai mic decât zero, spunem că semnul său este negativ.

Step-by-step explanation:

4 0

1 year ago