pythagorean theorem
substitution
elimination
functions
mixed
100
What is the length of the hypotenuse is one leg is 4 and the other is 3?
5
100
what does y equal? solve using substitution.
x = 3
6x + 8y = -14
y = -4
100
what do x and y equal? solve using elimination.
-x + 2y = 10
x + y = 2
y = 4
x = -2
100
is this a function?
(3,4) (4,6) (8,9) (3,9)
nope
100
what is the hypotenuse?
13
200
what is the length of the hypotuneous if one leg is 6 and the other is 8?
10
200
what does x equal?
y = 12
2y + 3x = 48
x = 8
200
what do x and y equal?solve using elimination.
-3y + 7x = 15
3y + 2x = 12
x = 3
y = 2
200
is this a function?
(6,7) (2,8) (4,9) (7,1)
yes
200
what do x and y equal? solve using elimination.
2x + 16y = 12
10x + 130y = 260
y = 4
x = -26
300
the hypotenuse of a triangle is 20 and one leg is 16. what is the length of the other leg?
12
300
what is x and y? solve using substitution.
y = x + 2
2y + 3x = 14
x = 2
y = 4
300
what do x and y equal? solve using elimination.
2x + 4y = 8
3x - 3y = -6
y = 2
x = 0
300
true or false?
It is a function when x is repeated.
false
300
is this a function?
(9,0) (2,3) (6,4) (7,1) (5,9)
yes
400
If the hypotenuse is greater than the sum of the legs, what kind of triangle is it?
obtuse
400
what do x and y equal?
3y = 15 + 6x
3y + 6x = 39
x = 2
y = 9
400
what do x and y equal? solve using elimination.
15x + 16y = 42
15x + 4y = 18
y = 2
x = 2/3
400
what is a linear function?
functions that graph a straight line
400
what does y equal?
x = 3
3x + 12y = 9
y = 0
500
if the hypotenuse is 7.21 and one leg is 2.1, what is the length of the other leg?
6.9
500
what does x and y equal? solve using substitution.
y = 27 - 3.5x
-2y + 3x = 6
x = 6
y = 6
500
what do x and y equal? solve using substitution.
6x + 2y = 26
-6x - 7y = -61
y = 7
x = 2
500
what is the vertical line test?
checking the x axis on a graph to see if x is repeated throughout the line.
500
when the hypotenuse is less than the sum of the legs, what kind of triangle is it?
acute