Linear Equations

Question 1

What is the equation format for slope-intercept equations?

Answer 1

y=mx + b

Question 2

what variable (letter) defines the slope of a linear equation?

Answer 2

m

Question 3

what variable (letter) defines the y-int in a linear equation?

Answer 3

b

Question 4

Is X my input or output?

Answer 4

input
(what we are inputting into the equation)

Question 5

Is Y my input or output?

Answer 5

output (result)

Question 6

what is the shape of a linear equation?

Answer 6

straight line

Question 7

If my line is decreasing, then is my slope (m) positive or negative?

Answer 7

negative (-m)

Question 8

If my slope is increasing, then is my slope (m) positive or negative?

Answer 8

positive (m)

Question 9

what is a y-int?

Answer 9

The Initial Value which is where the equation line crosses the y axis of a graph (crosses at x=0)

Question 10

what is the equation used to find a slope?

Answer 10

y2-y1
———
x2-x1

Question 11

what does slope (m) determine in a line?

Answer 11

the steepness

Question 12

If x=3, and y=5, how do I write these as a point?

Answer 12

(3,5)

(x,y) remember x goes on the left and y goes on the right

Question 13

What happens when I multiply two negative numbers?

Answer 13

they become positive

Question 14

what happens when I divide two negative numbers?

Answer 14

they become positive

Question 15

How do I convert 15% into a decimal?

Answer 15

1) Rewrite 15% as a whole number and add a decimal —> 15.0
2) Shift the decimal over to the left twice
15.0 —> .15

Question 16

How do I convert .15 into a percent?

Answer 16

1) Shift the decimal to the right twice
.15 ——-> 15.0
2) Add a percent sign
15.0 ——-> 15%

Question 17

what is another way of converting a percent into a decimal

Answer 17

divide by 100

Ex: 15% —-> 15/100 —-> .15

Question 18

If you divide a negative by a positive, what do you get back?

Answer 18

Negative number