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100
Consider the function f(x) = 4(6x+7). Evaluate f(6).
f(6) = 172
100
Which of the following is considered a rational number?
C.
100
Identify the slope and y-intercept: 6x+3y=18
What is m=-2;b=6
100
Equation of the line that passes through the point (-2,9) and has slope -2.
y=2x+5 OR y - 9 = -2(x + 2)
100
Solve the linear system: 5x+y=4, 6x-y=7
What is x=1, y=-1 or (1,-1)
200
Write the following as an equation: 3 times the difference of a number m and 15 is equal to 30
What is 3(m-15)=30.
200
Simplify: -7x(x-13)
What is 7x2+91x.
200
X-intercept and Y-intercept:
-2x+5y=-20
What is x-intercept=10; y-intercept=-4
200
Equation in standard form of the line that passes through the two given points: (3,9) (1,1).
What is -4x + y = -3 OR 4x - y = 3.
200
Graph: x>4, y<2
What is look at graph.
300
x=8 a solution for 2x+10<4x-7
No. 26<25 is not a true statement!
300
-16-(-25.2).
What is 9.2.
300
Solve for x:
16x-4=4(2x-3)
What is x=-1.
300
Graph: y>4x-3
Look at graph.
300
Factor the following trinomial. Hint: look for a GCF first.
6x2 - 14x - 12
2(3x + 2)(x - 3)
400
You buy apples at $2 per pound and oranges at $3.50 per pound. What is an expression for the total cost of fruit purchased? Also, what is the total cost of 7 pounds of apples and 4 pounds of oranges?
2x + 3.50y = c
The cost is $28.
400
An athlete throws a discus from an initial height of 6 feet and with an initial vertical velocity of 46 feet per second. Write an equation that models the situation.
h(t) = -16t2 + 46t + 6
400
Solve proportion: b/8=9/4
b=18.
400
You buy apples at $2 per pound and oranges at $3.50 per pound. What is an expression for the total cost of fruit purchased? Also, what is the total cost of 7 pounds of apples and 4 pounds of oranges?
2x + 3.50y = c
The cost is $28.
400
Graph: x<3, y>1, y≥-x.
Look at graph.
500
A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?
What is 42 feet.
500
Solve the following equation:
5 - 2(3 - x) = 4x + 10
x = -5.5
500
Graph:
y=-x+7
What is look at graph.
500
Equation of the line in slope-intercept form that passes through the given point and is perpendicular to the given line: (3,-3), y=x+5
y=-x.
500
Find the mistake. Then, use desmos to find the correct solutions.
(-6)2 = 36 not -36.
The correct roots are x = -1.359 and x = 7.359.