Unit 1
The solution to 2x + 3 = 7 is x = _____.
(Answer in "What is ___?")
What is x = 2?
The rate of change formula is ROC= Rise/Run
If the Rise is equal to 128 and the Run is equal to 4, what is the reduced ROC?
(Answer in "What is ___?")
What is 32?
Which of the following represents a line with a slope of -2 and a y-intercept of 5 ?
A) y = 2x + 5
B) y = -2x + 5
C) y = -2x - 5
D) y = 5x - 2
(Answer in "What is ___?")
"What is B?"
***What is the P.O.I (Point of Intersection)?
(Answer in "What is ___?")
What is (-1, 3)?
***What type of Graph is this:
Linear or Quadratic?
(Answer in "What is ___?")
What is Quadratic?
A car travels at 60 km/h for 2 hours. How far does it travel? (Answer in "What is ___?")
A) 30 km
B) 60 km
C) 120 km
D) 180 km
What is 120 km?
If a = 8 and b= 6, find c using the Pythagorean Theorem.
Hint: Square both a & b, then square root the final answer
a2 + b2= c2
(Answer in "What is ___?")
What is c = 10?
***Determine the equation of the line.
Hint: Find the y-int first then find the slope by counting the Rise over Run.
(Answer in "What is ___?")
What is y=3/2x+1?
***Find the Area of the Triangle.
A = L x W
(Answer in "What is ___?")
What is y= x2+5x+6?
Which method is typically NOT used to solve a system of equations?
a) Substitution
b) Elimination
c) Division
(Answer in "What is ___?")
What is c) Division?
Rearrange the standard form equation into y=mx+b format.
0= 3x+y -3
(Answer in "What is ___?")
What is y=-3x+3?
Sinθ = Opposite/Hypotenuse
If Opposite = 75 and the Hypotenuse = 200, find θ and round to the nearest degree.
SOH CAH TOA
Note: Use the Inverse of Sin to find the Angle and round to the nearest degree
(Answer in "What is ___?")
What is 22 degrees?
A line passes through (3, -1) and has a slope of 4. Write the equation of the line in slope-intercept form. Hint: Start by plugging in x and y. Then solve for b.
Use y=mx+b to answer.
(Answer in "What is ___?")
What is y=4x-13?
Solve for x:
3x+7=2(3x+2)
(Answer in "What is ___?")
What is x=1?
Label Whether Linear, Quadratic or Neither:
1. y=9x3+ 1
2. y =5x+7
3. y=-7x2-5x+2
(Answer in "What is ___?")
What is N, L, Q?
(Order is important)
In baseball, the formula for runners per inning is given as:
r = (h + w)/i
If h=65, w = 25, and i = 60, determine how many hits ( h ) the pitcher allowed.
Hint: Plug in the Numbers into the equation
(Answer in "What is ___?")
What is r=1.5?
A line goes between the points A(2, 3) and B(8, 7). Determine the slope. (Slope = a).
a = (У2-У1)/(X2-X1)
(Answer in "What is ___?")
What is a=2/3?
***Given the standard form equation: 2x+y-4=0
Convert to y = ax + b and Graph
(Answer in "What is ___?")
What is y=-2x+4?
A system of equations is given:
2x + y = 10
x - y = 2
Find x and y using either elimination or substitution.
(Answer in "What is ___?")
What is x = 4, y = 2?
You are given the roots x=5 and x=-7. Provide a Standard form equation in the format:
ax2+bx+c=0
Note: Roots are opposite in factored form
(Answer in "What is ___?")
What is x2+2x-35=0?
Sarah was solving the equation 4(x + 3) = 2x + 14. She guessed x = -2, but her answer was incorrect.
Find the correct value of x that satisfies the equation by expanding out the binomials.
(Answer in "What is ___?")
What is x=1?
***A builder is reinforcing a sloped roof by installing two vertical support beams. Determine the distance of Point B where the first beam should be secured and then find the Hypotenuse.
(Answer in "What is ___?")
What is B =3 and C =5?
Mia needs to rent a moving van. Her friend tells her about a company that charges $50 per day plus a fixed fee. She recalls renting the van for 5 days and paying $325. (5, 325)
Find the equation of the company.
Hint: Use this point to sub in for this equation:
C = 50n + b
Start by solving for ( b ).
(Answer in "What is ___?")
What is C = 50n + 75 .
***Determine the area of the rectangle without the square. Use shortcuts where possible.
Hint: Don't forget to multiply the L and W of the square then subtract from the rectangle.
(Answer in "What is ___?")
What is 15x2-4x-13?
You are given x2 +5x=6. Convert the Standard Form equation to Factored Form using this format:
y=(x + 6)(x - 1)
What is y=(x + 6)(x -1)?