Quadratics, Inequalities
Solve x2 - 9
What is x= 3,-3
The sum of −6x + x2 − 4 and −7x2 + x + 1?
What is −6x2 − 5x − 3
Which is linear?
A. y= 2x + 3
B. y = 3(2)x
What is A
Write the equation of the line with
slope = 2
y- intercept = -3
What is y = 2x - 3
What does the solution to a system of equations represent?
What is the point where the graph intersects
What is the vertex of y = (x-2)2 + 5
What is (2,5)
Simplify: -7x(x-13)
What is -7x2+91x.
Which function represents a situation where the value is multiplied by the same number each step?
A. y = 3x + 1
B. y = 5(2)x
C. y = x + 4
D. y = 6x - 2
What is B
Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is 4x+y=-3.
How many solutions does this system have?
y = -x + 5
y = -x -1
What is no solution
Solve the inequality
-3(2x - 1) + 4 < 5x + 7
What is 0 < x
Multiply:
(3x-2)(x+5)
What is 3x2 + 13x - 10
Which function is equivalent to exponential growth?
A. y = 3x + 6
B. y = 4(2)x
C. y = x2 + 4
D. y = 5x2
What is B
Find the slope of the line that passes through the points (2, -1) and (6, 7)
What is 2
Solve the system of equations
3x + y = 17
4x - y = 18
What is (5,2)
Simplify x5. x2/x3
What is x4
The expression below represents a simplified polynomial:
(3x2)(2x3 - x) + 4x5 - (2x3)(x2)
What is the degree of the resulting polynomial after simplification?
A. 3
B. 4
C. 5
D. 6
What is C
Which statement is true?
A. A linear function always grows faster than an exponential function
B. An exponential function can have a constant rate of change
C. A linear function has a constant rate of change
D. Exponential and linear functions grow at the same rate
What is C
Equation of the line that passes through the given point and is perpendicular to the given line: (3,-3), y=x+5
What is y= -x
What type of solution is 4(x + 2) = 4x + 8
What is Infinite solutions
The function f(x) = x2 is translated 3 units to the right and 2 units up. What is the new function?
What is y = ( x- 3)2 + 2
The area of a rectangle is given by:
A(x) = 2x2 + 7x + 3
Which could represent the length and width?
A. (2x + 1)(x + 3) B. (2x + 3)(x + 1)
C. (x + 3)(x + 1) D. (2x + 3)(2x + 1)
What is A
A bacteria population starts with 200 cells and doubles every hour.
Write an equation to represent the population y after x hours.
What is y = 200(2)x
A gym charges a $12 membership fee and $4 per visit. Write an equation that represents the total cost y after x visits, and determine how much a person will pay after 10 visits.
What is $52
Two ride services charge as follows:
Service A: $8 basic fee + $2 per mile
Service B: $4 basic fee + $3 per mile
At how many miles will the cost be the same?
What is 4 miles