Rectangle EFGH is translated according to the rule T–5, 9(x, y). If the coordinates of the pre-image of point H are (–2, –3), wh
2 answers:
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The letter a represents the coefficient of
The absolute value of a (the number without the sign) controls how wide or narrow it is. If the absolute value is a fraction less than 1 the graph gets wider. The smaller the absolute value of the fraction the wider the graph gets.
If the absolute value of a is greater than 1 the graph gets narrower (it gets skinnier). The bigger the absolute value the narrower the graph.
So, if all the graphs look like a U (concave up) then the one with the smallest a is the one that is the widest.
The a also controls whether the graph is concave up or concave down. If a is negative
If a is negative the graph is concave down so any graph that is concave down has a smaller value of a than any graph that is concave up. However, if the graph is concave down the one with the smallest a would be the most narrow one.
So to find the one with the smallest a...
If they are all concave up (like a U) pick the widest one
and
If they are not all concave up pick the narrowest one that is concave down (looks like an upside down U)
Answer:
Construct a square of side length 4 cm
Step-by-step explanation:
* Lets explain how to construct a square polygon with side length 4 cm
- Use your straightedge to draw a horizontal line
- Measure on the horizontal line a segment of 4 cm
- Label its endpoints by A and B (AB = 4 cm)
- Open your compass at a distance greater then half AB (3 cm)
- Put the pin of the compass at point B and draw an arc intersects AB
at point E and the horizontal line at point F
- Open the compass at a distance greater than the length of the side
of the square (6 cm) and put its pin on the point E and draw an arc
- Put the pin of the compass on the point F without changing the open
of the compass and draw another arc
- The two arcs intersect each other at point G
- Join BG and measure 4 cm from point B and label the end point of
the 4 cm by C
- Open your compass at a distance 4 cm and put the pin on point C
and draw an arc and put it on point A with the same distance 4 cm
and draw another arc, the two arc intersect each other at point D
∴ ABCD is a square of side length 4 cm
# Look to the attached figure to more understand
