Math

Grade 8 Common Core Math Tests Question 12

Which of functions below is non-linear?

(A) y = 2x2 +3x + 1
(B) y = 3x– 1
(C) y = 2x +5
(D) y = 4 (x-3)
Math

Grade 8 Common Core Math Tests Question 13

How much time will an old car take to cover a distance of 39 miles at a speed of 13 miles/hour? Express distance as a function of time.

(A) 3 hr, y =13x
(B) 3 hr, y =3x C
(C) 13 hr, y=39x
(D) 3 hr, x= 13y
Math

Grade 8 Common Core Math Tests Question 8

Write the number 0.00000123 in scientific notation.

(A) 123
(B) 123 x 106
(C) 1.23 x 106
(D) 1.23 x 10-6
Math

Which of the following ordered pairs (x, y) satisfies both equations y=x^2+3x-4 and x= y - 4 ?

A) (0, −4)
B) (2, 6)
C) (3, 14)
D) (5, 9)
Math

The formula d = rt is used to calculate the distance an object travels over a period of time, t, at a constant rate, r. Based on this formula, what is the rate, r, in terms of d and t ?

A) r=\frac{d}{t}
B) r=dt
C) r=\frac{t}{d}
D) r=d-t
Math

The SAT Practice Test #1 Math Test No Calculator Question 1

If \frac{x-1}{3}=k and k=3 what is the value of x ?

(A) 2
(B) 4
(C) 9
(D) 10
Math

Grade 8 Common Core Math Tests Question 5

Find the point of intersection of the two lines

y = 3x+2 and y = 2x- 1

(A) (7,3)
(B) (-3,7)
(C) (3, -7)
(D) (-3,-7)
Math

Which of the following is a solution to the equation 2x^2+4x=3+3x^2 ?

A) -1
B) 0
C) 3
D) 6
Math

Barton College Practice Placement Test Question 69

The minute hand of a clock is 6cm long. How far does the tip of the minute hand travel in 15 minutes?

(A) 12πcm
(B)  9πcm
(C)  6πcm
(D) 3πcm
Math

Grade 8 Common Core Math Tests Question 14

Which ordered pair would fit the function: y = 3x -2

(A) 0, 2
(B) 1, -1
(C) 2, 4
(D) -1, 1