N/A — Exam Answers

50 verified answers1 views
1
Free Preview

Which equation is represented by the graph?

A
y is equal to 3 halves x plus 6
B
y is equal to 2 thirds x plus 6
C
y is equal to 2 thirds x minus 9
D
y is equal to 3 halves x minus 9
2
Free Preview

Which equation could generate the curve in the graph?

A
y is equal to 3 x squared plus 7 x plus 5
B
y is equal to 2 x squared plus 8 x plus 8
C
y is equal to 6 x squared minus 12 x minus 6
D
y is equal to 9 x squared plus 6 x plus 4
3

Which expression can be used to determine the average rate of change in f of x over the interval left bracket 2 comma 9 right bracket ?

A
f of open paren 9 minus 2 close paren
B
the fraction with numerator f of open paren 9 minus 2 close paren and denominator 9 minus 2
C
the fraction with numerator f of 9 minus f of 2 and denominator 9 minus 2
D
f of 9 minus f of 2
4

Which equation is represented by the graph?

A
y is equal to negative 2 x plus 2
B
y is equal to 1 half x plus 2
C
y is equal to 2 x plus 4
D
y is equal to negative 1 half x plus 2
6

Which equation could generate the curve in the graph?

A
y is equal to 3 x squared minus 7 x plus 1
B
y is equal to 3 x squared minus 6 x plus 3
C
y is equal to 3 x squared minus 2 x plus 1
D
y is equal to 3 x squared minus 4 x minus 2
9

For which interval is the average rate of change of f of x negative?

A
from x is equal to 3 to x is equal to 4 point 5
B
from x is equal to negative 3 to x is equal to 3
C
from x is equal to 0 to x is equal to 2 point 5
D
from x is equal to negative 3 point 5 to x is equal to negative 1
13

Use the zero product property to find the solutions to the equation x squared minus 15 x minus 100 is equal to 0

A
x is equal to negative 5 or x is equal to 20
B
x is equal to negative 20 or x is equal to 5
C
x is equal to negative 20 or x is equal to negative 5
D
x is equal to 5 or x is equal to 20
15

Which function is a quadratic function?

A
t times x is equal to open paren x minus 4 close paren squared plus 3
B
r times x is equal to open paren negative 6 x minus 4 close paren to the 4th power plus 3 times open paren x plus 2 close paren squared
C
s times x is equal to negative open paren x minus 6 close paren plus 3 times open paren x plus 1 close paren
D
q times x is equal to open paren 2 x plus 4 close paren cubed plus 3
16

Using the quadratic formula to solve 2 x squared is equal to 4 x minus 7 , what are the values of x ?

A
1 plus or minus square root of 5 i
B
2 plus or minus square root of 10 i
C
1 plus or minus square root of 10 i
D
the fraction with numerator 2 plus or minus square root of 10 i and denominator 2
18

Which of the following is rational?

A
2 thirds plus 9 point 2 6
B
14 point repeating 3 plus 5 point 7 8 7 6 5 2 3 9 ...
C
3 times pi
D
square root of 45 plus square root of 36
19

What are the domain and range of f of x is equal to start absolute value x plus 6 end absolute value ?

A
domain: x is greater than or equal to negative 6 ; range: open paren negative infinity comma infinity close paren
B
domain: x is less than or equal to negative 6 ; range: open paren negative infinity comma infinity close paren
C
domain: open paren negative infinity comma infinity close paren ; range: f of x is greater than or equal to 0
D
domain: open paren negative infinity comma infinity close paren ; range: f of x is less than or equal to 0
20

Which table shows a linear function?

A
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '0'; Column 2, 'negative 2' Row 3: Column 1, '1'; Column 2, '0' Row 4: Column 1, '2'; Column 2, '2' Row 5: Column 1, '3'; Column 2, '7' Row 6: Column 1, '4'; Column 2, '14'
B
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 6'; Column 2, 'negative 16' Row 3: Column 1, 'negative 2'; Column 2, 'negative 8' Row 4: Column 1, '0'; Column 2, 'negative 4' Row 5: Column 1, '1'; Column 2, 'negative 2' Row 6: Column 1, '3'; Column 2, '2'
C
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 2'; Column 2, 'negative 7' Row 3: Column 1, 'negative 1'; Column 2, '0' Row 4: Column 1, '0'; Column 2, '1' Row 5: Column 1, '1'; Column 2, '2' Row 6: Column 1, '2'; Column 2, '9'
D
Table with 2 columns and 6 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, 'negative 4'; Column 2, '8' Row 3: Column 1, 'negative 1'; Column 2, '2' Row 4: Column 1, '1'; Column 2, '2' Row 5: Column 1, '2'; Column 2, '4' Row 6: Column 1, '3'; Column 2, '6'

Did you find these answers helpful?