1) If f(x) = 5x ​2​ + 2x, what is the value of f(2)? 2) What is the

 ­ 2​
1) If f(x) = 5x​
+ 2x, what is the value of f(­2)? 2) What is the quadratic equation for the following roots 5 and ­4 2​
F
y=x​
– x + 20 2​
G
y=x​
+ x + 20 2​
H
y=x​
+ x – 20 2​
J
y=x​
– x – 20 2​
3) Find the roots for this quadratic y=2x​
+ 6x + 8? 2​
4) If the domain of f(x) = x​
– 9 is {­1, 0, 1} what is the range? 5) What is the solution for 2|x + 5| + 6 = 12? 6) Write the equation of the graph given and where is it increasing and decreasing? 7) Which equation represents the translation down 5 units from Y = |x – 11 |. Also sketch the graph and what is it’s domain and range? F
y = | x – 6| G
y = | x – 11 | + 5 H
y = | x – 11 | ­ 5 J
y = | x – 5 | ­ 11 8​
12
8) Which is of these is the correct factored form of 100x​
–324y​
a.
b.
c.
d.
8​
12​
4(25x​
–81y​
) 4​
6​
4​
6​
(10x​
–18y​
) (10x​
+18y​
) 4​
6​2
4(5x​
–9y​
)​
4​
6​
4​
6​
4(5x​
–9y​
) (5x​
+9y​
) 2​
9) Factor 4x​
-10x-24
2​
10) Find the roots by factoring 2x​
-21x-6=5
11) Simplify √− 300
2​
12) Find the roots for 2(x-5)​
-7=-33
13) 7­3|4​
x ​
+7|<​
­2​
. Find all values of ​
x, ​
which make this inequality true. a. {​
x​
|​
x<­​
2.5 ​
or ​
x>­​
1} b. {​
x​
|​
x<­​
2.5 ​
or ​
x>​
2.5} c. {​
x​
|​
x<­​
1 ​
or ​
x>​
1} d. {​
x​
| ​
x<​
1 ​
or ​
x>​
2.5} 14) Solve for n: 3|3x + 4| − 7 = 5 (A) x= 89 or x= − 29 (B)x=0 or x =− 2 23 (C) x= 89 or x =− 2 23
15) Solve for x and graph the solutions (D) x = 89 or x=0 16) Where is the function increasing? (A) {­oo<x<­1} (B) {­oo<x<­2} (C) {­1<x<oo} (D) {­2<x<oo} 17) In the graph above what is the domain and range and identify the parent
function.
18) Write the equation of the parabola in vertex form. 2​
(A) y=3(x­2)​
+2 2​
(B) y=3(x­2)​
­2 2​
(C) y=3(x+2)​
+2 2​
(D) y= 3(x+2)​
­2 2​
(E) y= ­3(x+2)​
­2 2​
19) Given the graph y=­3x​
gets translated 5 units left and 10 units down write the equation of the new function. 2
20) Simplify (4­5i)​
21) What is the difference of (6­7i) and (19­10i) 22) What are the zeros of this function? And where is the graph increasing and decreasing?