Answer: (b) Provide hints on what the teacher thinks is important
Explanation: Clearly, the teacher selects what to ask in the tests, and it is plausible to think that (s)he will select problems that they deem important.
The teacher will know that students look at past tests, and so they will tend to change the wording and values in the tests to prevent plagiarism, so (a) is not the right choice.
Answer:
no
Step-by-step explanation:
<u>1) </u>
2) Rectangular shape is square shape patio !
<u>Step-by-step explanation:</u>
Here we have , the area of Bianca’s rectangular backyard patio is represented by the expression x2 – 18x + 81, and the length of the patio is represented by the expression x − 9: We need to find
1. what is the expression for the width of the patio? Explain and show all work.
We know that area of rectangle =
⇒
Factorizing RHS:
⇒
⇒
⇒
⇒
2. what special rectangular shape is the patio?
Now , we see that
A rectangle whose length & width are equal is known as a square ! Hence , Rectangular shape is square shape patio !
9514 1404 393
Answer:
see attached
Step-by-step explanation:
The reflection across y=-x swaps the coordinates and negates both of them. The first-quadrant figure becomes a third-quadrant figure.
(x, y) ⇒ (-y, -x)
Answer:
-2
Step-by-step explanation:
The line in the graph has a slope of 1/2. Perpendicular means the opposite sign and the reciprocal, so it would be -2.