Consider the two patterns described below. Pattern Rule Starting

Number

x Multiply by 7

y Add 5

Which of the following coordinate pairs shows the two patterns?

A.

(0,1) ; (5,7) ; (10,49) ; (15,343)

B.

(0,1) ; (5,7) ; (25,14) ; (125,21)

C.

(1,0) ; (7,5) ; (49,10) ; (343,15)

D.

(1,0) ; (7,5) ; (14,25) ; (21,125)

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z