Quiz about Unit 1- Equations and Inequalities

Question 1

Solve for x

Accepted Answer

3/2

Answer

2/3

Answer

3

Answer

2

Question 2

Solve for n

Accepted Answer

34

Answer

4

Answer

3

Answer

1/34

Question 3

Solve for p

Accepted Answer

49

Answer

46

Answer

1/49

Answer

4

Question 4

Question 4.

Accepted Answer

x = -1/3

Answer

x = 1/3

Answer

x = -3/4

Answer

x = 3/4

Question 5

Solve for b

Accepted Answer

8

Answer

17/12

Answer

4/3

Answer

1/8

Question 6

Write and solve a proportion to determine how many yards are in 63 feet. Use the conversion that 1 yard = 3 feet.

Accepted Answer

21 yd

Answer

180 yd

Answer

18.9 yd

Answer

189 yd

Question 7

An adult cheetah can run up to 70 miles per hour. About how fast is this in feet per second?

Accepted Answer

About 103 feet per second

Answer

360 feet per second

Answer

8 and 1/3 feet per second

Answer

Really fast!

Question 8

4. Solve  8x + 12 = 4(3+ 2x)

Accepted Answer

Infinite

Answer

No Solution

Answer

x = 12

Answer

x = 0

Question 9

5.   Solve for a:  6a + 7b = 2c

Accepted Answer

a = (2c - 7b) / 6

Answer

a = (2c + 7b) / 6

Answer

a = (2c + 6) / 7b

Answer

a = (2c - 6) / 7b

Question 10

Determine which type of math problem is displayed below
5x + 29 - 3² x 16

Accepted Answer

Expression

Answer

Equation

Answer

Inequality

Question 11

Which values in the set are solutions to the inequality
16 + x - 3 > 14 { 1, 2, 3}

Accepted Answer

2, 3

Answer

1

Answer

1, 2

Answer

1, 2, 3

Question 12

Find the Error
When did the student make the error when solving the equation? 1+x+5=3x+5
Step 1: x+6=3x+5
Step 2: -2x+6=5
Step 3: -2x=11
Step 4: x=-5/2

Accepted Answer

Step 3

Answer

Step 1

Answer

Step 2

Answer

Step 4

Question 13

What is the best first step to complete when solving this equation?
10 - 3y = 4

Accepted Answer

Subtract 10

Answer

Add 10

Answer

Add 3

Answer

Divide by -3

Question 14

Question 14.

Accepted Answer

-50

Answer

19

Answer

-9

Answer

-100

Question 15

Complete the statement:

5.0 cm/min = ______ m/day

(100 cm = 1 m)

Accepted Answer

72

Answer

840

Answer

7.2

Answer

5,040,000

Question 16

A bicycle has a speed of 6.00 m/s. What is its speed in km/h?

Accepted Answer

21.6 km/h

Answer

16.67 km/h

Answer

2.16 km/h

Answer

1.67 km/h

Question 17

Jackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the nearest whole number.)

5,280 feet = 1 mile

Accepted Answer

59 feet per second

Answer

95 feet per second

Answer

.45 feet per second

Answer

40 feet per second

Question 18

Ann Proctor won the 2007 World Waterski Racing Championship race in her category when she finished the 88-kilometer course in 51.23 minutes. What was her average speed in miles per hour? (Hint: 1 km= 0.62 miles)

Accepted Answer

63.90 mph

Answer

23.66 mph

Answer

46.59 mph

Answer

51.23 mph

Question 19

What conversion factor would you use to solve this problem?

Accepted Answer

2.20 lbs / 1 kg

Answer

1 kg / 2.20 lbs

Answer

0.002 lbs / 1 g

Answer

1 g / 0.002 lbs

Question 20

Solve for t.
D= rt

Accepted Answer

D/r = t

Answer

Dr = t

Answer

D/t = r

Answer

Dt = r

Question 21

Solve for a.

Accepted Answer

a = w/p

Answer

a = pw

Answer

a = p/w

Answer

a = w + p

Question 22

S = 3F - 24 Solve for F

Accepted Answer

F = (S + 24)/3

Answer

F = S/3 + 24

Answer

F = 3S + 24

Answer

F = 3(S + 24)

Question 23

Solve for y.
-5w + 7y = 4

Accepted Answer

y = (4 + 5w)/ 7

Answer

y = (4 - 5w) / 7

Answer

y = 9w / 7

Answer

y = 9w + 7

Question 24

0 < x + 7 < 9

Accepted Answer

-7<x and x<2

Answer

-7<x or x<2

Answer

-7>x   and   x>2

Answer

-7>x  or   x>2

Question 25

When graphing "AND" inequalites, shading looks like___

Accepted Answer

Shading that always connects the 2 dots.

Answer

Shading that always points away from each dot

Answer

2 shaded arrows pointing in same direction(both left)

Answer

2 shaded arrows pointing in same direction (both right)

Question 26

Question 26.

Accepted Answer

{9, -9}

Answer

{4, -4}

Answer

{5, -9}

Answer

{13, -1}

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