Evaluate the expression when x =2:
3x + 8
14
What is the slope of the equation y = -3x + 4?
-3
Factor: 5𝑥+10
5(x+2)
Solve by factoring: x2 - 9x + 20 = 0
x = 4 and x = 5
Write the exponential functions represents an initial value of 1450 and a decay of 18% for x years?
𝑦=1450(0.82)x
Evaluate the expression when x = 8:
3x + x - 10
22
Determine the y-intercept of the equation 4y = 8x - 16.
-4
Factor: 𝑥2−8𝑥
x(x-8)
2d2 = 8
x= -2 and x= 2
Write the exponential functions represents an initial value of 1780 and a growth of 18% for x years?
y=1780(1.18)x
Evaluate the expression when x = 6.
2x2 - 18
54
If the equation of a line is y = 4x - 2, what is the y-intercept?
-2
Factor: 3𝑥2𝑦−12𝑥𝑦3
3xy(x-4y2)
What are the solutions of this graph?
2 and 3
Classify the model as Exponential GROWTH or DECAY.
A=1200(.85)6
Decay
Evaluate the expression when g = 6 and h = 9:
4h + 2g + 4
52
Solve the equation 2y + 3x = 12 for y in terms of x.
y= - 1.5x + 6
Factor: 𝑥2+12𝑥+32
(x+8)(x+4)
Solve using the Quadratic Formula:
x2 + 6x + 9 = 0
x = −3
This is an example of:
growth
Evaluate the expression when x = - 2 and y = 3:
x2 + y2 + x - y
8
If a line passes through the points (2, -3) and (4, 1), what is the slope of this line?
2
Factor: 𝑥2−9
(x-3)(x+3)
Solve using the Quadratic Formula:
15x2 + 22x = −8
x = −2/3, −4/5
This function represents the number of ants in a colony 𝑓(𝑥)=3 ( 2)x . What is the growth rate?
The ants are growing by 2 times.