Question

check my questions

Answer 1

The equation of line CD is y = 3x − 3. Write an equation of a line perpendicular to line CD in slope-intercept form that contains point (3, 1).

y = 3x + 0
y = 3x − 8
y = negative 1 over 3x + 2
y = negative 1 over 3x + 0

Answer 2

i put c

Answer 3

yeah thats right

Answer 4

good job :)

Answer 5

ok next one

Answer 6

@dan815

Answer 7

what are the instructions @king_kong_killer ?

Answer 8

Segment EA is an altitude of triangle DEF. Find the area of the triangle.

Answer 9

@jim_thompson5910

Answer 10

I agree, the answer is 16

8*4/2 = 16

Answer 11

next one

Answer 12

06.01 LC)

Quadrilateral ABCD has all congruent sides and opposite angles that are congruent. What classification can be given to ABCD?

Parallelogram
Rectangle
Rhombus
Square

Answer 13

i chose a

Answer 14

hint: Quadrilateral ABCD has all congruent sides

Answer 15

ie all sides are equal to one another

Answer 16

soooo square?

Answer 17

close

Answer 18

but it doesn't say that all angles are equal to one another (or that all angles are right angles)

Answer 19

rhombus?

Answer 20

yep

Answer 21

The distance formula can be used to prove that a quadrilateral has

a right angle
congruent angles
parallel sides
congruent sides

Answer 22

i got c

Answer 23

what is the distance formula used for?

Answer 24

if you know the distance between two points, then you also know what?

Answer 25

If we know the distance from A to B, then we also know what else?

Answer 26

that dc is the same?

Answer 27

we also know the length of segment AB, agreed?

Answer 28

yes

Answer 29

so we can use the distance formula to compute the lengths

Answer 30

then we can compare the lengths to see if they are congruent

Answer 31

so its d?

Answer 32

yes

Answer 33

Line AB contains points A (0, 0) and B (2, 2). Line CD contains points C (3, 1) and D (5, 3). Lines AB and CD are

parallel
perpendicular
neither

Answer 34

i put a

Answer 35

what is the slope of the line through A & B ?

Answer 36

1?

Answer 37

how about the slope for CD

Answer 38

2/-2

Answer 39

not quite

Answer 40

make sure you subtract in the same order

Answer 41

slope formula

m = (y2 - y1)/(x2 - x1)

Answer 42

-2/2

Answer 43

i got it back wards