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Ede4ka [16]
2 years ago
5

WILL GIVE BRAINLIEST!!! Kayla created the graph below to represent the solution to the inequality Negative 8 less-than x.

Mathematics
2 answers:
77julia77 [94]2 years ago
4 0

Answer:

1. she should've pointed the arrow to the right 2.She should have used an open circle at the end of the ray.

Step-by-step explanation:

Nina [5.8K]2 years ago
3 0

_______________________________________________

A and B

________________________________________________

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Find the number of real zeros of
Amiraneli [1.4K]

Answer:

B

Step-by-step explanation:

Using the determinant to determine the type of zeros

Given

f(x) = ax² + bx + c ( a ≠ 0 ) ← in standard form, then the discriminant is

Δ = b² - 4ac

• If b² - 4ac > 0 then 2 real and distinct zeros

• If b² - 4ac = 0 then 2 real and equal zeros

• If b² - 4ac < 0 then 2 complex zeros

Given

f(x) = (x - 1)² + 1 ← expand factor and simplify

     = x² - 2x + 1 + 1

    = x² - 2x + 2 ← in standard form

with a = 1, b = - 2, c = 2, then

b² - 4ac = (- 2)² - (4 × 1 × 2) = 4 - 8 = - 4

Since b² - 4ac < 0 then the zeros are complex

Thus P(x) has no real zeros

6 0
3 years ago
Si mi hermano gana 589 pesos diarios si ha trabajado 15 días de este mes ¿cuánto dinero ha ganado?
weeeeeb [17]

Mi hermano ha ganado un dinero <em>devengado</em> de 8835 pesos en 15 días.

En esta pregunta debemos determinar el dinero <em>devengado</em> por un período de 15 días a partir de una tasa diaria <em>constante</em>. Esa cantidad es igual al producto de la tasa diaria <em>constante</em>, en pesos por día, y el número de días <em>trabajados</em>, en días:

x = 589\,\frac{\$}{dia}\times 15\,dias

x = 8835\,\$

Mi hermano ha ganado un dinero <em>devengado</em> de 8835 pesos en 15 días.

Para aprender más sobre álgebra y aritmética, invitamos cordialmente a ver esta pregunta: brainly.com/question/953809

6 0
2 years ago
Select the table representing a linear function. (Graph them if necessary.)
laiz [17]
Answer is C because there is a constant rate of change (+2) in the y-values. As x increases by 1, y increases by 2.
3 0
2 years ago
Read 2 more answers
What is the y-intercept ?
joja [24]
The y-intercept is 2. The y-intercept occurs when x is 0. In the graph, y is 2 when x is 0.
6 0
2 years ago
Which equation is the same as “f of x equals the quantity one-fourth x plus nine all over ten”
Sergio [31]
F(x)=((1/4)x+9)/10 Because f of x = f(x), equals the quantity means =, one-fourth x is just (1/4)x, plus 9 is + 9, and all over ten means take everything previously said over ten.
4 0
2 years ago
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