Points and Lines

Question 0

Axes

Answer 0

Plural of axis

Vertical and horizontal lines on a graft

Question 1

Plane

Answer 1

Two dimensional space

Question 2

Abscissa

Answer 2

First coordinate

x number

Question 3

Ordinate

Answer 3

Second coordinate

y number

Question 4

Ordered pairs

Answer 4

(x, y)

Points on a plane

Question 5

Origin

Answer 5

The place where the two axes meet

Question 6

Quadrants

Answer 6

The four areas of a plane

Question 7

In quadrant I, how do x & y relate to 0?

Answer 7

x is positive

y is positive

Question 8

In quadrant II, how do x & y relate to 0?

Answer 8

x is negative

y is positive

Question 9

In quadrant III, how do x & y relate to 0?

Answer 9

x is negative

y is negative

Question 10

In quadrant IV, how do x & y relate to 0?

Answer 10

x is positive

y is negative

Question 11

Does every point on a line have the same value?

Answer 11

Yes

Question 12

What is the formula for the distance between two points on a plane?

(x₁, y₁) vs. (x₂, y₂)

Answer 12

_________________

Distance = √ (x₂ - x₁)² + (y₂ - y₁)²

Question 13

Are distances always positive?

Answer 13

Yes

Question 14

How do you find the midpoint of a line on a plane?

Answer 14

(x₁ + x₂) (y₁ + y₂)
Midpoint = ——— , ———-
2 2

Question 15

How do you find the distance on a horizontal line in a plane?

Answer 15

Distance = x₂ - x₁

Question 16

How do you find the midpoint of a horizontal line in a plane?

Answer 16

x₁ + x₂
Midpoint = ——–
2

Question 17

How do you find the distance on a vertical line in a plane?

Answer 17

Distance = y₂ - y₁

Question 18

How do you find the midpoint of a vertical line in a plane?

Answer 18

y₁ + y₂
Midpoint = ——–
2

Question 19

How do you find the slope of a line on a plane?

Answer 19

Rise / Change in y
Slope = ———————-
Run / Change in x

            y₂ - y₁ Slope  =  --------
            x₂ - x₁

Question 20

A slope is positive if it goes from the ______ to the ______.

Answer 20

Lower left

Upper right

Question 21

A slope is negative if it goes from the ______ to the ______.

Answer 21

Upper left

Lower right

Question 22

Horizontal slopes have ______ slope.

Answer 22

Zero

Question 23

Vertical lines have _____ slope, _____ slope, or “_____” slope.

Answer 23

No

Undefined

Infinite

Question 24

If (m, n) and (p, q) form a horizontal line, which letters will be the same number?

Answer 24

n & q

Question 25

If (m, n) and (p, q) form a vertical line, which letters will be the same number?

Answer 25

m & p

Question 26

The x axis is _______. The y axis is ______.

Answer 26

Horizontal

Vertical

Question 27

What is a corresponding angle?

Answer 27

/
\_\_\_\_\_x/\_\_\_\_\_\_
          /
\_\_\_\_x/\_\_\_\_\_\_\_\_
        /

Question 28

What is an alternate angle?

Answer 28

/
\_\_\_\_\_ /\_\_\_\_\_\_\_
       x/
\_\_\_  /x\_\_\_\_\_\_\_
      /