Before simplifying, the expression 4y - 6 + 4y 2 - 9 contains how many terms?

Step-by-step explanation:

before simplifying it xou you will get answer 4y^2+4y-15 which is 3 terms

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I think there are two like terms because if am to collect the Like terms the expression would be as follows;

(4y + 4y²) + (-6 -9)

Which in conclusion makes two like terms

1: -2 3/4, -2 1/2, -14, 0, 3, 8 1/3

2: -4, -3, -2 1/2, -2 1/4, 3 1/4,

step-by-step explanation:

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."