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NNADVOKAT [17]
3 years ago
7

Find the x-intercepts of x2+8x+15=y.

Mathematics
1 answer:
Andrews [41]3 years ago
4 0

Answer option D

Step-by-step explanation:

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Evaluate the following formula for
JulsSmile [24]

Answer:

Step-by-step explanation:

Using provided formula and filling in the variables:

z = \frac{(0.6-0.7)-(0)}{\sqrt{\frac{0.615782*0.384218}{88}+\frac{0.615782*0.384218}{82} }}

Filling in in calculator:

z ≈ -1.34

3 0
3 years ago
Which graph shows y &lt; x² +1?<br> O<br> 4) Intro<br> •
Ket [755]

The graph at option 1 shows the given inequality y < x² + 1. The domain and range of the given inequality is {x: x ∈ (-∞, ∞)} and {y: y ∈ [1, ∞)}.

<h3>How to graph an inequality?</h3>

The steps to graph an inequality equation are:

  • Solve for the variable y in the given equation
  • Graph the boundary line for the inequality
  • Shade the region that satisfies the inequality.

<h3>Calculation:</h3>

The given inequality is y < x² + 1

Finding points to graph the boundary line by taking y = x² + 1:

When x = -2,

y = (-2)² + 1 = 4 + 1 = 5

⇒ (-2, 5)

When x = -1,

y = (-1)² + 1 = 2

⇒ (-1, 2)

When x = 0,

y = (0)² + 1 = 1

⇒ (0, 1)

When x = 1,

y = (1)² + 1 = 2

⇒ (1, 2)

When x = 2,

y = (2)² + 1 = 5

⇒ (2, 5)

Plotting these points in the graph forms an upward-facing parabola.

So, all the points above the vertex of the parabola satisfy the given inequality. Thus, that part is shaded.

From this, the graph at option 1 is the required graph for the inequality y < x² + 1. The boundary line is dashed since the inequality symbol is " < ".

Learn more about graphing inequalities here:

brainly.com/question/371134

#SPJ1

5 0
2 years ago
Read 2 more answers
Factor 2xz - 3yz + 8x - 12y completely. If the polynomial is not factorable, write prime. SHOW YOUR WORK FOR FULL CREDIT!
Mars2501 [29]
X57 I think no just doing this for points so made a random number lol
3 0
3 years ago
Read 2 more answers
Waitonehundredmorepoints
Veseljchak [2.6K]

Answer:

She Jen djzksndhdi

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Angelo, Brandon, and Carl work in the same office. Angelo’s age is 4 years more than twice Carl’s age. Brandon is 5 years younge
NNADVOKAT [17]

Answer:

Angelo is 66 Brandon is 26 Carl is 31

Step-by-step explanation:

Variables a=Angelo b=Brandon c=Carl

Equation (1/3)(a+b+c) = 41

7 0
3 years ago
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