Real Life Math
You spend $12.75 on lunch every school day. How much do you spend in a 5-day school week?
$63.75
Solve: 2x−5=11
x = 8
What is the area of a triangle with base 8 and height 5?
20 units2
Is the relation (1,2),(2,3),(3,2),(4,5) a function?
Yes
What is 132?
169
You're saving up for a $450 gaming console. If you save $25 per week, how many weeks will it take?
18 weeks
Solve: 3(x−4)+2=14
x = 6
A circle has a radius of 7. Find the circumference (use π≈3.14).
C = 2πr,
C = 44 units
What is the slope of the line through the points (2,3) and (4,7)?
m = 2
What is (5/8) x (4/15) simplified to its fullest?
1/6
A store offers 15% off a $120 jacket. What is the sale price?
$102
If x+y=10 and x−y=2, find the value of x
x = 6
Find the missing angle in a triangle with angles of 35° and 65°.
80°
The function f(x)=2x+1
What is f(3)?
7
Simplify (2x2 - 8)/2
x2 - 4
You drive 60 miles in 1.5 hours. What is your average speed?
40 miles per hour
Solve: (2x/3) + 5 = 11
x = 9
A rectangle has perimeter 36 cm. If the length is 10 cm, what is the width?
8 cm
If f(x)=x2−4, find f(−3)
f(-3) = 5
What is (3/4) + (2/3)?
17/12
A phone plan charges $35/month plus $0.10/text. If you send 150 texts, what’s the total monthly cost?
$50
The quadratic equation x2 − 5x + 6 = 0 has two solutions. What are they?
x = -2, x = -3
A right triangle has legs 9 and 12. What is the length of the hypotenuse?
15 units
Find the x-intercept of y=3x−9
x = 3
(3,0)
Rationalize 1/(square root of 2)
(square root of 2) / 2