Expressions
Evaluate:
x(z + 3) + 1 + 3 − y
;x = 6, y = −5, and z = 2
39
f (x) = x2 − 3x; Find f (−8)
88
Identify the vertex and max/min value
f(x) = x2 - 18x + 86
vertex:(9, 5) min value: 5
Find the value of c that completes the square. x2 + 6x + c
c=9
Factor: x2 − 7x − 18
(x − 9)(x + 2)
Simplify: −2(−6x − 9) − 4(x + 9)
8x-18
What is slope of the line that passed through (5 , 0) and (5, 11)?
undefined
How was f(x)= (x + 2)^2 - 4 translated from the parent function
Moved 2 units left
moved 4 units down
Find the value of c that completes the square x2 + (7/13)x + c
49/676
Factor: 3b3 - 5b2 +2b
b(3b − 2)(b − 1)
Simplify: (5 - 3i)(5 + 3i)
34
What is the slope of and y intercept of the line
y= 3x +1/2 ?
Slope = 3
Y-Int= (0, 1/2)
write an equation for y=x2 - 18x + 86, reflected over the x axis
y= -x2 - 18x + 86
Solve: x2 − 12x + 11 = 0
x= 11
x= 1
Factor: 2x2+ 7x + 3
(2x + 1) (x + 3)
Simplify: i18
-1
What is the equation of the line that passes through these points (-3,-2) (1,-2)
y= -2
What is the domain and range of y= x2 - 18x + 86
domain: {- inf, + inf}
range:{y > 5}
Solve: x2 + 14x − 15 = 0
x= 1
x= -15
Factor: x2 + 4
(x - 2i)(x + 2i)
Simplify: 4/2i
-2i
Solve the system of equations:
4x + 8y = 3
8x +16y = 6
infinite solutions
Find the discriminant of the quadratic equation then state the number of real or imaginary solutions.
9n2 − 3n − 8 = −10
−63; two imaginary solutions
Solve: 6x2 − 48 = −12x
x= 2
x=−4
Factor: 9r2 − 5r − 10
Not factorable