Simple Interest
What is the formula for simple interest?
What is I=Prt
What is the formula for compound interest?
What is A=P(1+r /n) *tn
What form is y = mx + b called?
What is slope-intercept form?
What is the Pythagorean Theorem formula?
What is a² + b² = c²
Emma took a $1,200 loan at 6% annual interest. She paid it off in 18 months. How much interest did she pay?
What is $108
Find interest: P = $500, R = 4%, T = 2
What is $40?
P = $1,000, R = 5%, n = 1, t = 2 — Find A
What is $1,102.50
Solve: 3x + 2 = 11
What is x=3
a = 3, b = 4. Find c.
What is 5
You invest $1,000 at 5% compounded annually for 3 years. What is the final amount?
What is $1,157.63
P = $1,000, R = 6%, T = 3 — Find I
What is $180?
P = $500, R = 4%, n = 2, t = 1 — Find A
What is $520.20
Write the equation of a line with m = 2, b = -1
What is y = 2x - 1
Legs are 6 and 8 units. Hypotenuse?
What is 10
Solve: 4(x + 2) = 2(2x + 6)
What is No Solution
I = $75, P = $500, T = 3 — Find R
What is 5%
Is compound interest always more than simple interest?
What is yes
Graph y = -x + 4. What’s the y-intercept?
What is 4
Find a leg: c = 13, b = 5
What is a =12
Write a linear equation for a phone plan that charges $30/month plus $0.10 per text message. Then find cost for 150 texts.
what is y = 0.10x + 30
What is y = 0.10(150) + 30 = $45
Word problem: You borrow $800 at 5% for 2 years. Interest?
What is $80
Word problem: Invest $1,200 at 6% compounded annually for 2 years
What is $1,348.32
Word problem: You earn $12/hr. Write an equation.
what is y=12x
A 20 ft ladder leans against a wall. The base is 12 ft from the wall. How high up the wall does it reach?
What is 16ft
A rectangular ramp is built to meet accessibility standards. It rises 3 feet vertically and is 12 feet long along the slope. A handrail runs along the diagonal from the bottom of the ramp (ground level) to the top of the vertical support pole at the end of the ramp.
What is 12.37