Triangles abc and def are similar. find the length of segment ef. lengths a and b = 5 cm lengths b and c = 15 cm lengths a and c = 11 cm lengths d and e = 4 cm a. 5 cm b. 8.8 cm c. 12 cm d. 14 cm

this shows a reflection over the x-axis and is translated one unit down and 6 units to the right (x + 6, y - 1)

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example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.

look at the picture.

y-intercept for the function on a picture is 4 → point (0, 4).

y-intercept for the function

is for x = 0. substitute:

y-intercept is 8 → point (0, 8).