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lidiya
6 days ago
12

The graph of a certain quadratic function has no x-intercepts. Which of the following are possible values for the discriminant?

Check all that apply.
A. -7
B. 18
C. -25
D. 0
Mathematics
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The dot plots show the number of first cousins the boys and girls in Miss Campbell‘s class have. Based on the dot plot, which se
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The correct choice is the third one.

Step-by-step explanation:

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Which rule describes the composition of transformations that maps ΔABC to ΔA"B"C"?
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Answer:

The transformation is a reflection over the x-axis followed by a translation 6 units left and 2 units down.

Step-by-step explanation:

To determine the order of transformations from ΔABC to ΔA"B"C", note that the figure first changes to ΔA'B'C', and then to ΔA''B''C''.

The transition from ΔABC to ΔA'B'C' involves a reflection over the x-axis, as ΔA'B'C' appears as a mirror image flipped vertically.

Next, moving from ΔA'B'C' to ΔA''B''C'' entails shifting the figure left by 6 units and downward by 2 units. This matches a translation by -6 in the x direction and -2 in the y direction.

Thus, the accurate description is:

Reflection across the x-axis followed by a translation of -6 units in x and -2 units in y.

4 0
3 months ago
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1+4=5 2+5=12 3+6=21 8+11=?
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I think the rule to follow is to multiply the first number by the second and then add the first number. For example:
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A coordinate grid with 2 lines. The first line is labeled y equals negative StartFraction 7 over 4 EndFraction x plus StartFract
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Question 1: (2.2, -1.4). Question 2: (1.33, 1). Providing a detailed analysis, the equations for the given lines are specified as (1) passing through points (0, 2.5) and (2.2, 1.4), and (2) through (0, -3) and (2.2, -1.4). We are tasked with locating a common solution or intersection of these equations. This leads to finding x = 2.2, and consequently y = -1.4. Therefore, the solution set is (2.2, -1.4). For question 2, the equations yield a solution of (1.33, 1).
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