stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Secondary 1 The Review Flashcards | StudBud
Explore
/
Secondary 1 The Review
Secondary 1 The Review
23 terms
·
StudBud Administration
·
357 plays
Imported from external platform
Flashcards
23 cards
F
Practice quiz
P
Host live
L
Questions
23
Answers
1
Is (2, -18) a solution to y = -2(3)
x
?
yes
no
2
What number can be put in the empty cell to make this a function?
-2
-4
1
-5
3
Solve the system using elimination.
( 0, 2 )
( -2,8 )
( -8 , 2 )
( 2, -8 )
4
Write the equation for the graph below.
y = -(3/2)x-1
y = -(2/3)x-1
y=(2/3)x-1
y = (3/2)x-1
5
Bailey put $6000 in the stock market. It is depreciating at 5.5% per year. Write an equation.
y = 6000(.945)x
y = 6000(1.055)x
y = 6000(5.5)x
y=6000(.55)x
6
Write an equation from the table.
y = (1/2)x
y = -(1/2)x-2
y = -(1/2)x-1
y = (1/2)x+1
7
The correlation coefficient r = -.28 shows:
weak positive correlation
strong positive correlation
weak negative correlation
strong negative correlation
8
Write the system of inequalites represented by the graph below.
y ≥ -x+3 ; y > 2x-6
y ≤ -x+3 ; y ≥ 2x-6
y > -x+3 ; y ≥ 2x-6
y < -x+3 ; y ≤ 2x-6
9
Find the average rate of change for interval 1 to 3.
1/3
-3
3
-1/3
10
Solve the system:
(1,2)
(-3,-4)
(-4,-3)
(-2,1)
11
Evaluating Functions
11
10
-1
0
12
State the x-intercept, y-intercept, and interval where function is increasing and decreasing.
x: -2; y: -4 ; I: (-∞, ∞ ) D: never
x: 2; y: 4 ; I: never ; D: (-∞, ∞ )
x: -2; y: -4 ; I: never ; D: (-∞, ∞ )
x: -4; y: -2 ; I: (-∞, ∞ ) D: never
13
Describe the shape of the graph and the best measure of center.
Left Skewed and Median
Left Skewed and Mean
Right Skewed and Median
Right Skewed and Mean
14
Is this growth or decay? What is the rate?
Growth: 7.5%
Growth: .75%
Growth: .75
Growth: 1.075
15
Is this linear or exponential? Write an explicit equation to model the situation.
Linear: y = -25x+100
Exponential: y = 100(.75)x
Exponential: y = .75x + 100
Linear: y = ¾x+100
16
Write the equation for the graph below.
y=½x+2
y=2(½)x
y=2(¼)x
y=2(2)x
17
Write a system of inequalities where x represents number of brownies and y represents cookies.
1.50x+.50y ≤ 30 ; x+y ≤ 20
1.50x+.50y < 20 ; x+y < 30
1.50x + .50y > 30 ; x+y > 20
1.50x+.50y<30 ; x+y < 20
18
Solve the system of equations below.
x = 7 ; y = 30
x = 9 ; y = 28
x = 23 ; y = 14
x = 14 ; y = 23
19
Write a system of equations to model the situation. x=nickels, y=dimes.
x + y = 20; .05x + .10y = 1.35
.05x+.10y = 20; x + y = 1.35
x + y = 20; .5x + .10y = 1.35
x + y = 20; 5x+10y = 1.35
20
Write an equation for a parallel line.
y = 3x+b
y = 3x-7
y = 3x+1
y = 3x+5
21
Write the system of equations from the story. Let x represent men and y represent women.
x+y = 37 ; y = x+9
x+y = 37 ; x = y+9
y = x+37 ; y = x+9
9x+y = 37 ; y = x
22
If x is the number of people that attends a concert, what is a reasonable domain for x ?
Real Numbers
Whole Numbers
Positive Rational Numbers and Zero
Positive Real Numbers and Zero
23
Solve the system of equations below.
x = 13; y = 7
x = -13, y = -7
x = 7; y = 13
x = 10; y = 10
