WorksheetsENHANCED MATHEMATICS TEACHING AND LEARNING PROGRAM(EMTAP)
Total questions: 15
Worksheet time: 25mins
What is the standard form of (x−5)(x+3)−8=7 ?
2x2+2x+1=0
2x2+2x+1=0
x2−2x−15=0
x2−2x−30=0
Which of the following are the roots of x(x−4)=12?
-4 and 3
6 and -2
4 and – 3
-6 and 2
Find the roots of x+x−28=1+x−24 .
x = 5 or x = 2
x = -5 or x = -2
x = 5 or x = -2
x = - 5 or x = 2
The sum of two numbers is 12 and their product is 35. What are the two numbers?
5 and 7
– 5 and – 7
6 and 6
– 6 and – 6
What are the dimensions of the largest rectangular field that can be enclosed by 80 m of fencing wire?
19m and 19m
20m and 20m
21m and 21m
22m and 22m
A ball is thrown upward from the top of a 40-foot high building at a speed of 80 feet per second. The ball’s height above ground can be modeled by the equation H(t)=−16t2+80t+40 . When does the ball reach the maximum height?
1.5 h
2.5 h
3.5 h
4.5 h
A rock is thrown upward from the top of a 112-foot high cliff overlooking the ocean at a speed of 96 feet per second. The rock’s height above the ocean can be modeled by the equation H(t)=−16t2+96t+112 . What is the maximum height reached by the rock?
112 ft
144 ft
256 ft
368 ft
Greg went to a conference in a city 120 kilometer away. On the way back, due to road construction he had to drive 10 kph slower which resulted in the return trip taking 2 hours longer. How fast did he drive on the way to the conference?
20 kph
30 kph
40 kph
50 kph
Rewrite y=−2x2−12x−12 into vertex form.
y=−2(x+3)2−6
y=−2(x−3)2−6
y=−2(x+3)2+6
y=−2(x−3)2+6
What are the coordinates of the vertex of the parabola whose equation is y=4(x+5)2−3 ?
( - 5 , - 3)
( 5 , 3)
( - 5 , 3)
( 5 , - 3)
Transform y=5(x−3)2+7 into general form.
y=5x2−30x−52
y=5x2+30x+52
y=5x2−30x+52
y=−5x2−30x+52
The height h (in feet) of water spraying from a fire hose can be modeled by h(x)=−0.03x2+x+25 , where x is the horizontal distance (in feet) from the fire truck. The crew raises the ladder so that the water hits the ground 10 feet farther from the fire truck. Write a function that models the new path of the water.
g(x)=−0.03x2+x+48
g(x)=0.03x2+x+48
g(x)=−0.03x2+x−48
g(x)=−0.03x2−x+48
If the parabola opens up, the vertex is the lowest point. This point is called the __________.
Minimum point
Maximum point
Opening
vertex
In completing the table and graphing the function f(x)=x2−6x+5 , what will be the opening of the parabola?
downward
upward
to the left
to the right
Given the table of values below, determine the equation of quadratic function.
y=x2+3x−5
y=−x2+3x−5
y=x2−3x−5
y=x2+3x+5
