(a) linear
(b) linear; the unknown is t
(c) not linear because of the term x2
(d) linear; here the constant term is zero
Which of the following are linear equations and which are not linear?
(a) 3x+ 7 = 0, (b) ยก3t+ 17 = 0, (c) 3x2 + 7 = 0, (d) 5x = 0
100
false
The following relation is a function.
{(10,12), (5,3), (15, 10), (5,6), (1,0)} true or false
100
x=2
x + 3 = 5
100
small pitcher holds 2 cups of water
large pitcher holds 4 cups of water
two small pitchers and one large picture can hold 8 cups of water. one large picture minus one small picture constitutes 2 cups of water. how many cups of water can the pitcher hold
100
hypotenuse= 8
what is the hypotenuse length if the height of right triangle is 5 and the width is 7
200
x=2
Solve for x and check: 3x + 5 = 11
200
f has a minimum value equal to -49/8
Find the maximum or minimum value of f(x) = 2x2 + 3x - 5
200
x= negative 35
-32 = x + 3
200
5 multiple choice questions
a test has twenty questions worth 100 points. the test consist of true and false questions worth 3 points eachand multiple choice questions worth 11 points each. how many multiple choice questions are there.
200
8
what is a squares diagonal if it has a length of 6
300
y=3.1
Solve for y: 2y + 1.8 = 4y - 4.4
300
range: (- infinity , -1]
Find the range of f(x) = -x2 + 4x - 5
300
x=14
x - 4 = 10 solve for x
300
Margie is responsible for buying a week's supply of food and medication for the dogs and cats at a local shelter. The food and medication for each dog costs twice as much as those supplies for a cat. She needs to feed 164 cats and 24 dogs. Her budget is $4240. How much can Margie spend on each dog for food and medication
What is 20 dollars a cat and 40 dollars a dog
300
5
what is a right triangles height if its hypotenuse is 10 and width is 8
400
m= negative 3
Solve for m and check: 8(m + 5) = 16
400
vertex at: (-1 , -13)
Find the vertex of the graph of f(x) = 3x2 + 6x - 10
400
x=3
solve for x. 3x+7=16
400
The equations 5x + 2y = 48 and 3x + 2y = 32 represent the money collected from school concert tickets sales during two class periods. If x represents the cost for each adult ticket and y represents the cost for each student ticket, what is the cost for each adult ticket?
What is 8 dollars for adult ticket
400
20
what is a right triangles perimeter if its height is 5 and width is 7
500
x=8
Solve for x: .5 x + 6 = 10
500
interval of decrease: (-infinity , -1/12) , interval of increase: (-1/12 , +infinity)
Find the intervals of increase and decrease of f(x) = 6x2 + x - 2
500
y=2
solve for y 4y+9=17
500
The admission fee at a small fair is $1.50 for children and $4.00 for adults. On a certain day, 2200 people enter the fair and $5050 is collected. How many children and how many adults attended?
What is 1500 children and 700 adults.
500
what is a squares perimeter including is hypontenuse if its length is 7?