แผ่นงานlinear inequality
คำถามทั้งหมด: 16
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1.
Which of the following inequalities matches the given graph?
a)
y ≥ 2/5x + 1
b)
y ≥ -2/5x + 1
c)
y≤ 2/5x + 1
d)
y ≥ -2/5x - 1
2.
Which of the following inequalities matches the given graph?
a)
x ≥ -1
b)
x ≤ -1
c)
x > -1
d)
x < -1
3.
Which of the following inequalities matches the given graph?
a)
y ≤ -3/4 x + 3
b)
y ≥ -3/4 x + 3
c)
y < -3/4 x + 3
d)
y > -3/4 x + 3
4.
Consider the equation:
y=-x+4
Identify the slope and y-intercept.
y=-x+4
Identify the slope and y-intercept.
a)
m=4, b=-x
b)
m=-x, b=4
c)
m=1, b=4
d)
m=-1, b=4
5.
How can I tell if an inequality will have a solid line?
a)
It has an equal sign.
b)
The symbol is greater than.
c)
The symbol has "or equal to."
d)
You just guess.
6.
Which ordered pair is a solution of the inequality?
y ≥ 4x – 5
a)
(3, 4)
b)
(3, 0)
c)
(2, 1)
d)
(1, 1)
7.
Which point below is NOT part of the solution set?
a)
(0, 0)
b)
(-10, 20)
c)
(3, 5)
d)
(0, -2)
8.
Write the linear inequality in standard form for this situation: Ms. Savva is ordering pizzas and breadsticks for a school party and has a budget of no more than $81. An order of breadsticks costs $7 and a pizza costs $13.
a)
7x + 13y < 81
b)
7x + 13y ≥ 81
c)
7x + 13y ≤ 81
d)
7x + 13y > 81
9.
Write the linear inequality in standard form for this situation: The CRHS science department can spend no more than $2700 on textbooks this year. The department needs to buy both Biology text books, which cost $57 each, and Chemistry textbooks, which cost $72 each.
a)
57x + 72y ≥ 2700
b)
57x + 72y > 2700
c)
57x + 72y < 2700
d)
57x + 72y ≤ 2700
10.
Select the correct graph for each inequality.
a)
A
b)
B
c)
C
d)
D
11.
Select the correct graph for each inequality.
a)
A
b)
B
c)
C
d)
D
12.
Select the correct graph for each inequality.
a)
A
b)
B
c)
C
d)
D
13.
In an equation or inequality, you want to get the variable...
a)
on one side
b)
to disappear
c)
isolated (by itself)
14.
When graphing an inequality, you use a dotted line when you use which symbol?
a)
<, >
b)
≤, ≥
15.
Solve the inequality.
x + 5 ≤ 13
x + 5 ≤ 13
a)
x ≥ 8
b)
x ≥ 18
c)
x ≤ 8
d)
x ≤ 18
16.
Consider the function y<2x+3. Which is true?
a)
The line would be solid with shading above.
b)
The line would be dashed with shading above.
c)
The line would be solid with shading below.
d)
None of these.
แป้นคำตอบlinear inequality
คำถามทั้งหมด: 16
1.
c) y≤ 2/5x + 1
2.
d) x < -1
3.
b) y ≥ -3/4 x + 3
4.
d) m=-1, b=4
5.
c) The symbol has "or equal to."
6.
d)
(1, 1)
7.
d) (0, -2)
8.
c) 7x + 13y ≤ 81
9.
d) 57x + 72y ≤ 2700
10.
b) B
11.
c) C
12.
a) A
13.
c) isolated (by itself)
14.
a) <, >
15.
c) x ≤ 8
16.
d) None of these.
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