Answer:
B. Line B
General Formulas and Concepts:
<u>Algebra I</u>
Undefined slopes are when x equals a certain number.
Slope-Intercept Form: y = mx + b
Step-by-step explanation:
From the given choices, B is the correct answer.
A has a slope of 0, so <em>m</em> = 0 and would become a horizontal line.
C has a negative slope, so it is not undefined.
D has a positive slope, so it is not undefined.
B shows a vertical line, and so it has an undefined slope.
Answer:
Here,
slope (m)=3
y-intercept (c)= -5
Now,
The equation of the line;
or,y=mx+c
or,y=3x-5
or,0=3x-y-5...is the required equation.
Answer:
D=36, x1=1, x2=4
Step-by-step explanation:
Find the D:
D = b2 - 4ac = (-10)2 - 4·2·8 = 100 - 64 = 36
Since the discriminant is greater than zero, the quadratic equation has two real roots
Using the p-value method, the decision rule is:
- |z| < 1.645: do not reject the null hypothesis.
- |z| > 1.645: reject the null hypothesis.
<h3>What is the relation between the p-value and the test hypothesis?</h3>
Depends on if the p-value is less or more than the significance level:
- If it is more, the null hypothesis is not rejected.
- If it is less, it is rejected.
In this problem, we have a two-tailed test, as we are testing if the mean is different of a value. For a significance level of 0.1, the critical value of z(when a p-value of 0.1 is obtained) is of |z| = 1.645, hence the decision rule is:
- |z| < 1.645: do not reject the null hypothesis.
- |z| > 1.645: reject the null hypothesis.
More can be learned about p-values at brainly.com/question/13873630
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Answer:
1. (4, 12) = Quadrant I
2. (-5, 2) = Quadrant II
3. (-9, -4) = Quadrant III
4. (3, -3) = Quadrant IV
Step-by-step explanation:
When thinking about quadrants, remember these rules:
Quadrant I: The x and y values are positive.
Quadrant II: The x value is negative, the y value is positive.
Quadrant III: The x and y values are negative.
Quadrant IV: The x value is positive, the y value is negative.
Apply this concept to your question and you'll be able to get the answer like I showed above. Remember that coordinates are always in (x, y) form.
Hope this helps.